glTF: remove 2.79 on upstream repository

Files are no more computed to remove 2.79 code here, so some little modification on files can be found

75 files changed, 3 insertions, 87 deletions

diff --git a/io_scene_gltf2/__init__.py b/io_scene_gltf2/__init__.py
index 2ad36029..4bbfbd81 100755
--- a/io_scene_gltf2/__init__.py
+++ b/io_scene_gltf2/__init__.py
@@ -15,8 +15,8 @@
 bl_info = {
     'name': 'glTF 2.0 format',
     'author': 'Julien Duroure, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
-    "version": (1, 2, 20),
-    'blender': (2, 81, 6),
+    "version": (1, 2, 21),
+    'blender': (2, 82, 7),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',
     'warning': '',
@@ -480,13 +480,8 @@ class ExportGLTF2_Base:
 
         return gltf2_blender_export.save(context, export_settings)
 
-
-
-
-
-
     def draw(self, context):
-        pass
+        pass # Is needed to get panels available
 
 
 class GLTF_PT_export_main(bpy.types.Panel):
@@ -947,4 +942,3 @@ def unregister():
     # remove from the export / import menu
     bpy.types.TOPBAR_MT_file_export.remove(menu_func_export)
     bpy.types.TOPBAR_MT_file_import.remove(menu_func_import)
-
diff --git a/io_scene_gltf2/blender/com/gltf2_blender_conversion.py b/io_scene_gltf2/blender/com/gltf2_blender_conversion.py
index fccfce95..574e26e5 100755
--- a/io_scene_gltf2/blender/com/gltf2_blender_conversion.py
+++ b/io_scene_gltf2/blender/com/gltf2_blender_conversion.py
@@ -60,4 +60,3 @@ def get_target(property):
         "scale": "scale",
         "value": "weights"
     }.get(property)
-
diff --git a/io_scene_gltf2/blender/com/gltf2_blender_data_path.py b/io_scene_gltf2/blender/com/gltf2_blender_data_path.py
index 6ba77709..a4cb6625 100755
--- a/io_scene_gltf2/blender/com/gltf2_blender_data_path.py
+++ b/io_scene_gltf2/blender/com/gltf2_blender_data_path.py
@@ -36,4 +36,3 @@ def get_rotation_modes(target_property: str) -> str:
         return True, ["AXIS_ANGLE"]
     else:
         return False, []
-
diff --git a/io_scene_gltf2/blender/com/gltf2_blender_extras.py b/io_scene_gltf2/blender/com/gltf2_blender_extras.py
index c67cb903..6cf220e6 100644
--- a/io_scene_gltf2/blender/com/gltf2_blender_extras.py
+++ b/io_scene_gltf2/blender/com/gltf2_blender_extras.py
@@ -91,4 +91,3 @@ def set_extras(blender_element, extras, exclude=[]):
             blender_element[custom_property] = value
         except TypeError as e:
             print('Error setting property %s to value of type %s' % (custom_property, type(value)))
-
diff --git a/io_scene_gltf2/blender/com/gltf2_blender_json.py b/io_scene_gltf2/blender/com/gltf2_blender_json.py
index fbf833c1..e96e58ff 100755
--- a/io_scene_gltf2/blender/com/gltf2_blender_json.py
+++ b/io_scene_gltf2/blender/com/gltf2_blender_json.py
@@ -35,4 +35,3 @@ def is_json_convertible(data):
         return True
     except:
         return False
-
diff --git a/io_scene_gltf2/blender/com/gltf2_blender_material_helpers.py b/io_scene_gltf2/blender/com/gltf2_blender_material_helpers.py
index 2b26350d..349cfda9 100755
--- a/io_scene_gltf2/blender/com/gltf2_blender_material_helpers.py
+++ b/io_scene_gltf2/blender/com/gltf2_blender_material_helpers.py
@@ -15,4 +15,3 @@
 
 def get_gltf_node_name():
     return "glTF Settings"
-
diff --git a/io_scene_gltf2/blender/com/gltf2_blender_math.py b/io_scene_gltf2/blender/com/gltf2_blender_math.py
index 9c65b943..fb342bc4 100755
--- a/io_scene_gltf2/blender/com/gltf2_blender_math.py
+++ b/io_scene_gltf2/blender/com/gltf2_blender_math.py
@@ -170,4 +170,3 @@ def transform_value(value: Vector, _: Matrix = Matrix.Identity(4)) -> Vector:
 def round_if_near(value: float, target: float) -> float:
     """If value is very close to target, round to target."""
     return value if abs(value - target) > 2.0e-6 else target
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_export.py b/io_scene_gltf2/blender/exp/gltf2_blender_export.py
index 94babf78..0e415e7a 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_export.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_export.py
@@ -147,4 +147,3 @@ def __notify_end(context, elapsed):
     print_console('INFO', 'Finished glTF 2.0 export in {} s'.format(elapsed))
     context.window_manager.progress_end()
     print_newline()
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_export_keys.py b/io_scene_gltf2/blender/exp/gltf2_blender_export_keys.py
index 8813337b..ef11459d 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_export_keys.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_export_keys.py
@@ -57,4 +57,3 @@ USE_NO_COLOR = 'gltf_use_no_color'
 
 METALLIC_ROUGHNESS_IMAGE = "metallic_roughness_image"
 GROUP_INDEX = 'group_index'
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather.py
index 7bff64d3..113fdcc6 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather.py
@@ -137,4 +137,3 @@ def __gather_extras(blender_object, export_settings):
     if export_settings[gltf2_blender_export_keys.EXTRAS]:
         return generate_extras(blender_object)
     return None
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_accessors.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_accessors.py
index 7373a060..2fe992bc 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_accessors.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_accessors.py
@@ -45,4 +45,3 @@ def gather_accessor(buffer_view: gltf2_io_binary_data.BinaryData,
         sparse=None,
         type=type
     )
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py
index 0b23ec85..9dfbea34 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channel_target.py
@@ -119,4 +119,3 @@ def __gather_path(channels: typing.Tuple[bpy.types.FCurve],
         raise RuntimeError("Cannot export an animation with {} target".format(target))
 
     return path
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
index 36b850df..8f515bcb 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_channels.py
@@ -370,4 +370,3 @@ def __gather_armature_object_channel_groups(blender_action: bpy.types.Action, bl
         groups += list(p.values())
 
     return map(tuple, groups)
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py
index bb59b8a9..87aa04ff 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_sampler_keyframes.py
@@ -388,4 +388,3 @@ def needs_baking(blender_object_if_armature: typing.Optional[bpy.types.Object],
                 return True
 
     return False
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py
index 27750a72..b95b576a 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animation_samplers.py
@@ -410,4 +410,3 @@ def __gather_output(channels: typing.Tuple[bpy.types.FCurve],
         sparse=None,
         type=data_type
     )
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
index cf106c41..c78c8065 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_animations.py
@@ -245,4 +245,3 @@ def __get_blender_actions(blender_object: bpy.types.Object,
     blender_actions.sort(key = lambda a: a.name.lower())
 
     return [(blender_action, blender_tracks[blender_action.name]) for blender_action in blender_actions]
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cache.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cache.py
index 4efd08f3..b41e400f 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cache.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cache.py
@@ -139,4 +139,3 @@ def skdrivervalues(func):
         else:
             return func.__skdrivervalues[args[0].name][args[1]]
     return wrapper_skdrivervalues
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
index 6075440c..c9926392 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_cameras.py
@@ -119,4 +119,3 @@ def __gather_type(blender_camera, export_settings):
     elif blender_camera.type == 'ORTHO':
         return "orthographic"
     return None
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_drivers.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_drivers.py
index a2ab949b..8157bb45 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_drivers.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_drivers.py
@@ -71,4 +71,3 @@ def get_sk_driver_values(blender_object, frame, fcurves):
         sk_values.append(blender_object.data.shape_keys.path_resolve(get_target_object_path(f.data_path)).value)
 
     return tuple(sk_values)
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
index f6a9ef94..c389ba19 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_image.py
@@ -240,4 +240,3 @@ def __get_texname_from_slot(sockets_or_slots, export_settings):
 
     elif isinstance(sockets_or_slots[0], bpy.types.MaterialTextureSlot):
         return sockets_or_slots[0].texture.image.name
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_joints.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_joints.py
index dce70c31..6b693575 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_joints.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_joints.py
@@ -81,4 +81,3 @@ def gather_joint(blender_bone, export_settings):
         translation=translation,
         weights=None
     )
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_light_spots.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_light_spots.py
index b2ab3953..b0b31c1b 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_light_spots.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_light_spots.py
@@ -42,4 +42,3 @@ def __gather_inner_cone_angle(blender_lamp, _) -> Optional[float]:
 
 def __gather_outer_cone_angle(blender_lamp, _) -> Optional[float]:
     return blender_lamp.spot_size * 0.5
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_lights.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_lights.py
index 05284163..572533d7 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_lights.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_lights.py
@@ -133,4 +133,3 @@ def __get_cycles_emission_node(blender_lamp) -> Optional[bpy.types.ShaderNodeEmi
                     continue
                 return result[0].shader_node
     return None
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_normal_texture_info_class.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_normal_texture_info_class.py
index 4a46814c..b554717b 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_normal_texture_info_class.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_normal_texture_info_class.py
@@ -145,4 +145,3 @@ def __get_tex_from_socket(socket):
     if result[0].shader_node.image is None:
         return None
     return result[0]
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_occlusion_texture_info_class.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_occlusion_texture_info_class.py
index da603bdf..671a41f4 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_occlusion_texture_info_class.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_material_occlusion_texture_info_class.py
@@ -135,4 +135,3 @@ def __get_tex_from_socket(socket):
     if result[0].shader_node.image is None:
         return None
     return result[0]
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py
index fceb46f1..35028e5b 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials.py
@@ -217,4 +217,3 @@ def __has_image_node_from_socket(socket):
     if not result:
         return False
     return True
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
index 3b2c0055..e774bfef 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
@@ -173,4 +173,3 @@ def __has_image_node_from_socket(socket):
     if not result:
         return False
     return True
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py
index 6a381c8f..1e155ffd 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_mesh.py
@@ -158,4 +158,3 @@ def __gather_weights(blender_mesh: bpy.types.Mesh,
                 weights.append(blender_shape_key.value)
 
     return weights
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py
index 21b99459..22a5e492 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_nodes.py
@@ -410,4 +410,3 @@ def __get_correction_node(blender_object, export_settings):
         translation=None,
         weights=None
     )
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitive_attributes.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitive_attributes.py
index 87637b91..f5856257 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitive_attributes.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitive_attributes.py
@@ -223,4 +223,3 @@ def __gather_skins(blender_primitive, export_settings):
             joint_id = 'JOINTS_' + str(bone_set_index)
             weight_id = 'WEIGHTS_' + str(bone_set_index)
     return attributes
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives.py
index b146928c..db1115d0 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_primitives.py
@@ -232,4 +232,3 @@ def __gather_targets(blender_primitive, blender_mesh, modifiers, export_settings
                     morph_index += 1
         return targets
     return None
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py
index 80b74e9c..a7d44d71 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_sampler.py
@@ -100,4 +100,3 @@ def gather_sampler_from_texture_slot(blender_texture: bpy.types.TextureSlot, exp
         wrap_s=wrap,
         wrap_t=wrap
     )
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py
index 1ee54b89..2513b073 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_skins.py
@@ -189,4 +189,3 @@ def get_bone_tree(blender_dummy, blender_object):
     list_ = list(set(bones))
     root_ = list(set(root_bones))
     return [blender_object.data.bones[b] for b in list_], children, [blender_object.pose.bones[b] for b in root_]
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py
index b906413f..13292a5a 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture.py
@@ -106,4 +106,3 @@ def __get_tex_from_socket(socket):
     if not result:
         return None
     return result[0]
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py
index 66b9b4eb..430dbda8 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_texture_info.py
@@ -141,4 +141,3 @@ def __get_tex_from_socket(socket):
     if result[0].shader_node.image is None:
         return None
     return result[0]
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_get.py b/io_scene_gltf2/blender/exp/gltf2_blender_get.py
index fd7d4222..3cee76b4 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_get.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_get.py
@@ -75,10 +75,6 @@ def get_socket_or_texture_slot(blender_material: bpy.types.Material, name: str):
         inputs = sum([[input for input in node.inputs if input.name == name] for node in nodes], [])
         if inputs:
             return inputs[0]
-    else:
-
-
-        pass
 
     return None
 
@@ -222,4 +218,3 @@ def get_node(data_path):
         return None
 
     return node_name[:(index)]
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gltf2_exporter.py b/io_scene_gltf2/blender/exp/gltf2_blender_gltf2_exporter.py
index 2c44a018..c94abc5e 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gltf2_exporter.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gltf2_exporter.py
@@ -328,4 +328,3 @@ def _path_to_uri(path):
     path = os.path.normpath(path)
     path = path.replace(os.sep, '/')
     return urllib.parse.quote(path)
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_image.py b/io_scene_gltf2/blender/exp/gltf2_blender_image.py
index 30f913f8..145e1ed9 100644
--- a/io_scene_gltf2/blender/exp/gltf2_blender_image.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_image.py
@@ -340,4 +340,3 @@ def _render_temp_scene(
 
         with open(tmpfilename, "rb") as f:
             return f.read()
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_search_node_tree.py b/io_scene_gltf2/blender/exp/gltf2_blender_search_node_tree.py
index 6647abec..4edfc918 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_search_node_tree.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_search_node_tree.py
@@ -99,4 +99,3 @@ def from_socket(start_socket: bpy.types.NodeSocket,
         return []
 
     return __search_from_socket(start_socket, shader_node_filter, [])
-
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_utils.py b/io_scene_gltf2/blender/exp/gltf2_blender_utils.py
index c3e0d6ee..8d5baae7 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_utils.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_utils.py
@@ -65,4 +65,3 @@ def min_components(l: list, data_type: gltf2_io_constants.DataType) -> list:
         for i, c in enumerate(components):
             result[i] = min(result[i], c)
     return result
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_pbrSpecularGlossiness.py b/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_pbrSpecularGlossiness.py
index f684a641..7669d986 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_pbrSpecularGlossiness.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_pbrSpecularGlossiness.py
@@ -162,4 +162,3 @@ def copy_socket(mh, copy_from, copy_to):
     copy_to.default_value = copy_from.default_value
     for link in copy_from.links:
         mh.node_tree.links.new(copy_to, link.from_socket)
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_unlit.py b/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_unlit.py
index 1d3cc0c2..f1a8fefe 100644
--- a/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_unlit.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_unlit.py
@@ -53,4 +53,3 @@ def unlit(mh):
         color_socket=emission_node.inputs['Color'],
         alpha_socket=alpha_socket,
     )
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_animation.py b/io_scene_gltf2/blender/imp/gltf2_blender_animation.py
index ed1d938d..71f3ec00 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_animation.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_animation.py
@@ -59,4 +59,3 @@ class BlenderAnimation():
 
         for child in gltf.vnodes[vnode_id].children:
             BlenderAnimation.restore_animation(gltf, child, animation_name)
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_animation_bone.py b/io_scene_gltf2/blender/imp/gltf2_blender_animation_bone.py
index 7e32487c..96524d5b 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_animation_bone.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_animation_bone.py
@@ -197,4 +197,3 @@ class BlenderBoneAnim():
 
             elif channel.target.path == "scale":
                 BlenderBoneAnim.parse_scale_channel(gltf, vnode, obj, bone, channel, animation)
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_animation_node.py b/io_scene_gltf2/blender/imp/gltf2_blender_animation_node.py
index 6a0959c2..47f76c99 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_animation_node.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_animation_node.py
@@ -112,4 +112,3 @@ class BlenderNodeAnim():
                     group_name=group_name,
                     interpolation=animation.samplers[channel.sampler].interpolation,
                 )
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_animation_utils.py b/io_scene_gltf2/blender/imp/gltf2_blender_animation_utils.py
index 4feed76a..6c933852 100644
--- a/io_scene_gltf2/blender/imp/gltf2_blender_animation_utils.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_animation_utils.py
@@ -80,4 +80,3 @@ def make_fcurve(action, co, data_path, index=0, group_name=None, interpolation=N
     fcurve.update() # force updating tangents (this may change when tangent will be managed)
 
     return fcurve
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_animation_weight.py b/io_scene_gltf2/blender/imp/gltf2_blender_animation_weight.py
index c89e4dfe..1329243d 100644
--- a/io_scene_gltf2/blender/imp/gltf2_blender_animation_weight.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_animation_weight.py
@@ -88,4 +88,3 @@ class BlenderWeightAnim():
                     group_name="ShapeKeys",
                     interpolation=animation.samplers[channel.sampler].interpolation,
                 )
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_camera.py b/io_scene_gltf2/blender/imp/gltf2_blender_camera.py
index 1ed20caf..ffe79b54 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_camera.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_camera.py
@@ -50,4 +50,3 @@ class BlenderCamera():
 
         obj = bpy.data.objects.new(pycamera.name, cam)
         return obj
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_gltf.py b/io_scene_gltf2/blender/imp/gltf2_blender_gltf.py
index 49cbcf64..33f3ff57 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_gltf.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_gltf.py
@@ -191,4 +191,3 @@ class BlenderGlTF():
 
             suffix = '.%03d' % cntr
             cntr += 1
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_image.py b/io_scene_gltf2/blender/imp/gltf2_blender_image.py
index c0107c59..0075b7f4 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_image.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_image.py
@@ -74,4 +74,3 @@ class BlenderImage():
 def _uri_to_path(uri):
     uri = urllib.parse.unquote(uri)
     return normpath(uri)
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_light.py b/io_scene_gltf2/blender/imp/gltf2_blender_light.py
index e75864f9..be1c6c40 100644
--- a/io_scene_gltf2/blender/imp/gltf2_blender_light.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_light.py
@@ -90,4 +90,3 @@ class BlenderLight():
             spot.spot_blend = 1.0
 
         return obj
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_material.py b/io_scene_gltf2/blender/imp/gltf2_blender_material.py
index c2b48c46..1071f7f1 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_material.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_material.py
@@ -91,4 +91,3 @@ class BlenderMaterial():
             color = pbr.base_color_factor or [1, 1, 1, 1]
 
         mat.diffuse_color = color
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_mesh.py b/io_scene_gltf2/blender/imp/gltf2_blender_mesh.py
index 05a443a7..04af71b2 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_mesh.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_mesh.py
@@ -157,4 +157,3 @@ class BlenderMesh():
             custom_normals = [v.normal for v in bme.verts]
             mesh.normals_split_custom_set_from_vertices(custom_normals)
             mesh.use_auto_smooth = True
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_node.py b/io_scene_gltf2/blender/imp/gltf2_blender_node.py
index 8f138251..bab22599 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_node.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_node.py
@@ -205,4 +205,3 @@ class BlenderNode():
             BlenderMesh.set_mesh(gltf, gltf.data.meshes[pynode.mesh], obj)
 
         return obj
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py b/io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py
index 4ea5f28c..1c295981 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py
@@ -487,4 +487,3 @@ def get_settings_group():
         gltf_node_group_input = gltf_node_group.nodes.new('NodeGroupInput')
         gltf_node_group_input.location = -200, 0
     return gltf_node_group
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_primitive.py b/io_scene_gltf2/blender/imp/gltf2_blender_primitive.py
index ff654f18..fb64df6f 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_primitive.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_primitive.py
@@ -350,4 +350,3 @@ class BlenderPrimitive():
             raise Exception('primitive mode unimplemented: %d' % mode)
 
         return es, fs
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_skin.py b/io_scene_gltf2/blender/imp/gltf2_blender_skin.py
index a9c50b58..043d8f26 100755
--- a/io_scene_gltf2/blender/imp/gltf2_blender_skin.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_skin.py
@@ -53,4 +53,3 @@ class BlenderSkin():
             obj = vnode.blender_object
             mod = obj.modifiers.new(name="Armature", type="ARMATURE")
             mod.object = arma.blender_object
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_texture.py b/io_scene_gltf2/blender/imp/gltf2_blender_texture.py
index a0f90ddf..e7ca60e6 100644
--- a/io_scene_gltf2/blender/imp/gltf2_blender_texture.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_texture.py
@@ -149,4 +149,3 @@ def wrap_name(wrap):
     if wrap == TextureWrap.MirroredRepeat: return 'MIRRORED_REPEAT'
     if wrap == TextureWrap.Repeat: return 'REPEAT'
     return 'UNKNOWN (%s)' % wrap
-
diff --git a/io_scene_gltf2/blender/imp/gltf2_blender_vnode.py b/io_scene_gltf2/blender/imp/gltf2_blender_vnode.py
index 4e1c6235..8ab0da32 100644
--- a/io_scene_gltf2/blender/imp/gltf2_blender_vnode.py
+++ b/io_scene_gltf2/blender/imp/gltf2_blender_vnode.py
@@ -358,4 +358,3 @@ def calc_bone_matrices(gltf):
 
 
 # TODO: add pass to rotate/resize bones so they look pretty
-
diff --git a/io_scene_gltf2/io/__init__.py b/io_scene_gltf2/io/__init__.py
index 10973240..50bfd496 100755
--- a/io_scene_gltf2/io/__init__.py
+++ b/io_scene_gltf2/io/__init__.py
@@ -13,4 +13,3 @@
 # limitations under the License.
 
 from .imp import *
-
diff --git a/io_scene_gltf2/io/com/gltf2_io.py b/io_scene_gltf2/io/com/gltf2_io.py
index b8c4b9dd..7d70b5fb 100755
--- a/io_scene_gltf2/io/com/gltf2_io.py
+++ b/io_scene_gltf2/io/com/gltf2_io.py
@@ -1220,4 +1220,3 @@ def gltf_from_dict(s):
 
 def gltf_to_dict(x):
     return to_class(Gltf, x)
-
diff --git a/io_scene_gltf2/io/com/gltf2_io_color_management.py b/io_scene_gltf2/io/com/gltf2_io_color_management.py
index b1ebdb4a..56b3a246 100644
--- a/io_scene_gltf2/io/com/gltf2_io_color_management.py
+++ b/io_scene_gltf2/io/com/gltf2_io_color_management.py
@@ -34,4 +34,3 @@ def color_linear_to_srgb(c):
         return 0.0 if c < 0.0 else c * 12.92
     else:
         return 1.055 * pow(c, 1.0 / 2.4) - 0.055
-
diff --git a/io_scene_gltf2/io/com/gltf2_io_constants.py b/io_scene_gltf2/io/com/gltf2_io_constants.py
index 9757a2a7..873e004e 100755
--- a/io_scene_gltf2/io/com/gltf2_io_constants.py
+++ b/io_scene_gltf2/io/com/gltf2_io_constants.py
@@ -144,4 +144,3 @@ GLTF_DATA_TYPE_VEC4 = "VEC4"
 GLTF_DATA_TYPE_MAT2 = "MAT2"
 GLTF_DATA_TYPE_MAT3 = "MAT3"
 GLTF_DATA_TYPE_MAT4 = "MAT4"
-
diff --git a/io_scene_gltf2/io/com/gltf2_io_debug.py b/io_scene_gltf2/io/com/gltf2_io_debug.py
index 7cdf864b..51b825a1 100755
--- a/io_scene_gltf2/io/com/gltf2_io_debug.py
+++ b/io_scene_gltf2/io/com/gltf2_io_debug.py
@@ -124,4 +124,3 @@ class Log:
         self.hdlr.setFormatter(formatter)
         self.logger.addHandler(self.hdlr)
         self.logger.setLevel(int(loglevel))
-
diff --git a/io_scene_gltf2/io/com/gltf2_io_extensions.py b/io_scene_gltf2/io/com/gltf2_io_extensions.py
index 2422d205..c807d9e9 100644
--- a/io_scene_gltf2/io/com/gltf2_io_extensions.py
+++ b/io_scene_gltf2/io/com/gltf2_io_extensions.py
@@ -35,4 +35,3 @@ class ChildOfRootExtension(Extension):
         """
         self.path = path
         super().__init__(name, extension, required)
-
diff --git a/io_scene_gltf2/io/com/gltf2_io_lights_punctual.py b/io_scene_gltf2/io/com/gltf2_io_lights_punctual.py
index 57679d90..b1c48db0 100644
--- a/io_scene_gltf2/io/com/gltf2_io_lights_punctual.py
+++ b/io_scene_gltf2/io/com/gltf2_io_lights_punctual.py
@@ -74,4 +74,3 @@ class Light:
                                           self.extensions)
         result["extras"] = self.extras
         return result
-
diff --git a/io_scene_gltf2/io/exp/gltf2_io_binary_data.py b/io_scene_gltf2/io/exp/gltf2_io_binary_data.py
index 5661291c..be1fb8b6 100755
--- a/io_scene_gltf2/io/exp/gltf2_io_binary_data.py
+++ b/io_scene_gltf2/io/exp/gltf2_io_binary_data.py
@@ -39,4 +39,3 @@ class BinaryData:
     @property
     def byte_length(self):
         return len(self.data)
-
diff --git a/io_scene_gltf2/io/exp/gltf2_io_buffer.py b/io_scene_gltf2/io/exp/gltf2_io_buffer.py
index 694be11e..c09bfc39 100755
--- a/io_scene_gltf2/io/exp/gltf2_io_buffer.py
+++ b/io_scene_gltf2/io/exp/gltf2_io_buffer.py
@@ -58,4 +58,3 @@ class Buffer:
 
     def clear(self):
         self.__data = b""
-
diff --git a/io_scene_gltf2/io/exp/gltf2_io_draco_compression_extension.py b/io_scene_gltf2/io/exp/gltf2_io_draco_compression_extension.py
index 9189be58..5ece3b13 100644
--- a/io_scene_gltf2/io/exp/gltf2_io_draco_compression_extension.py
+++ b/io_scene_gltf2/io/exp/gltf2_io_draco_compression_extension.py
@@ -343,4 +343,3 @@ def __compress_primitive(primitive, dll, export_settings):
     dll.destroy_compressor(compressor)
 
     return
-
diff --git a/io_scene_gltf2/io/exp/gltf2_io_export.py b/io_scene_gltf2/io/exp/gltf2_io_export.py
index dcbdcba8..07cf8820 100755
--- a/io_scene_gltf2/io/exp/gltf2_io_export.py
+++ b/io_scene_gltf2/io/exp/gltf2_io_export.py
@@ -117,4 +117,3 @@ def save_gltf(gltf, export_settings, encoder, glb_buffer):
         file.close()
 
     return True
-
diff --git a/io_scene_gltf2/io/exp/gltf2_io_image_data.py b/io_scene_gltf2/io/exp/gltf2_io_image_data.py
index a16207e8..c5a87587 100755
--- a/io_scene_gltf2/io/exp/gltf2_io_image_data.py
+++ b/io_scene_gltf2/io/exp/gltf2_io_image_data.py
@@ -53,4 +53,3 @@ class ImageData:
     @property
     def byte_length(self):
         return len(self._data)
-
diff --git a/io_scene_gltf2/io/exp/gltf2_io_user_extensions.py b/io_scene_gltf2/io/exp/gltf2_io_user_extensions.py
index f8f5e883..424713c3 100644
--- a/io_scene_gltf2/io/exp/gltf2_io_user_extensions.py
+++ b/io_scene_gltf2/io/exp/gltf2_io_user_extensions.py
@@ -20,4 +20,3 @@ def export_user_extensions(hook_name, export_settings, gltf2_object, *args):
         hook = getattr(extension, hook_name, None)
         if hook is not None:
             hook(gltf2_object, *args, export_settings)
-
diff --git a/io_scene_gltf2/io/imp/__init__.py b/io_scene_gltf2/io/imp/__init__.py
index d3c53771..15e503a2 100755
--- a/io_scene_gltf2/io/imp/__init__.py
+++ b/io_scene_gltf2/io/imp/__init__.py
@@ -13,4 +13,3 @@
 # limitations under the License.
 
 """IO imp package."""
-
diff --git a/io_scene_gltf2/io/imp/gltf2_io_binary.py b/io_scene_gltf2/io/imp/gltf2_io_binary.py
index 6969465f..8815ed91 100755
--- a/io_scene_gltf2/io/imp/gltf2_io_binary.py
+++ b/io_scene_gltf2/io/imp/gltf2_io_binary.py
@@ -174,4 +174,3 @@ class BinaryData():
             return data, image_name
 
         return None, None
-
diff --git a/io_scene_gltf2/io/imp/gltf2_io_gltf.py b/io_scene_gltf2/io/imp/gltf2_io_gltf.py
index 2248ab64..3224a4a1 100755
--- a/io_scene_gltf2/io/imp/gltf2_io_gltf.py
+++ b/io_scene_gltf2/io/imp/gltf2_io_gltf.py
@@ -202,4 +202,3 @@ class glTFImporter():
         except Exception:
             self.log.error("Couldn't read file: " + path)
             return None, None
-