fix for crash with GLSL material when image couldn't be loaded.

also quiet pep8 warnings.

7 files changed, 8 insertions, 11 deletions

diff --git a/release/scripts/ui/properties_data_mesh.py b/release/scripts/ui/properties_data_mesh.py
index 79e1ba2c6c1..44080b1ffe5 100644
--- a/release/scripts/ui/properties_data_mesh.py
+++ b/release/scripts/ui/properties_data_mesh.py
@@ -33,7 +33,7 @@ class MESH_MT_vertex_group_specials(bpy.types.Menu):
         layout.operator("object.vertex_group_copy_to_linked", icon='LINK_AREA')
         layout.operator("object.vertex_group_copy_to_selected", icon='LINK_AREA')
         layout.operator("object.vertex_group_mirror", icon='ARROW_LEFTRIGHT')
-        layout.operator("object.vertex_group_remove", icon='X', text="Delete All").all=True
+        layout.operator("object.vertex_group_remove", icon='X', text="Delete All").all = True
 
 
 class MESH_MT_shape_key_specials(bpy.types.Menu):
diff --git a/release/scripts/ui/properties_game.py b/release/scripts/ui/properties_game.py
index 183ad7ea794..77f4da5d405 100644
--- a/release/scripts/ui/properties_game.py
+++ b/release/scripts/ui/properties_game.py
@@ -163,7 +163,6 @@ class PHYSICS_PT_game_physics(PhysicsButtonsPanel, bpy.types.Panel):
             subsub.active = game.use_anisotropic_friction
             subsub.prop(game, "friction_coefficients", text="", slider=True)
 
-
         elif game.physics_type in ('SENSOR', 'INVISIBLE', 'NO_COLLISION', 'OCCLUDE'):
             layout.prop(ob, "hide_render", text="Invisible")
 
@@ -347,7 +346,7 @@ class RENDER_PT_game_performance(RenderButtonsPanel, bpy.types.Panel):
         row.prop(gs, "use_frame_rate")
         row.prop(gs, "use_display_lists")
 
-        
+
 class RENDER_PT_game_display(RenderButtonsPanel, bpy.types.Panel):
     bl_label = "Display"
     COMPAT_ENGINES = {'BLENDER_GAME'}
diff --git a/release/scripts/ui/properties_particle.py b/release/scripts/ui/properties_particle.py
index ae39de3996b..27a9a972154 100644
--- a/release/scripts/ui/properties_particle.py
+++ b/release/scripts/ui/properties_particle.py
@@ -177,7 +177,7 @@ class PARTICLE_PT_emission(ParticleButtonsPanel, bpy.types.Panel):
         if part.type == 'HAIR' and not part.use_advanced_hair:
             row.prop(part, "hair_length")
             return
-            
+
         if part.type != 'HAIR':
             split = layout.split()
 
@@ -1034,7 +1034,7 @@ class PARTICLE_PT_field_weights(ParticleButtonsPanel, bpy.types.Panel):
     bl_label = "Field Weights"
     bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
-    
+
     @classmethod
     def poll(cls, context):
         return particle_panel_poll(cls, context)
@@ -1083,7 +1083,7 @@ class PARTICLE_PT_vertexgroups(ParticleButtonsPanel, bpy.types.Panel):
     bl_label = "Vertexgroups"
     bl_options = {'DEFAULT_CLOSED'}
     COMPAT_ENGINES = {'BLENDER_RENDER'}
-    
+
     @classmethod
     def poll(cls, context):
         return particle_panel_poll(cls, context)
diff --git a/release/scripts/ui/properties_physics_fluid.py b/release/scripts/ui/properties_physics_fluid.py
index 88eb926dfa0..5cc94c24c80 100644
--- a/release/scripts/ui/properties_physics_fluid.py
+++ b/release/scripts/ui/properties_physics_fluid.py
@@ -42,7 +42,7 @@ class PHYSICS_PT_fluid(PhysicButtonsPanel, bpy.types.Panel):
 
         if md:
             fluid = md.settings
-            
+
             row = layout.row()
             if fluid is None:
                 row.label("built without fluids")
diff --git a/release/scripts/ui/properties_texture.py b/release/scripts/ui/properties_texture.py
index 1e786394ae0..8063dc92166 100644
--- a/release/scripts/ui/properties_texture.py
+++ b/release/scripts/ui/properties_texture.py
@@ -1007,7 +1007,7 @@ class TEXTURE_PT_influence(TextureSlotPanel, bpy.types.Panel):
 
             row = layout.row()
             # only show bump settings if activated but not for normalmap images
-            row.active = tex.use_map_normal and not( tex.texture.type == 'IMAGE' and tex.texture.use_normal_map )
+            row.active = tex.use_map_normal and not (tex.texture.type == 'IMAGE' and tex.texture.use_normal_map)
 
             col = row.column()
             col.prop(tex, "bump_method", text="Method")
diff --git a/release/scripts/ui/space_node.py b/release/scripts/ui/space_node.py
index 98c24d407de..64d833434e5 100644
--- a/release/scripts/ui/space_node.py
+++ b/release/scripts/ui/space_node.py
@@ -166,7 +166,7 @@ class NODE_MT_node(bpy.types.Menu):
         layout.operator("node.read_fullsamplelayers")
 
 
-# Node Backdrop options 
+# Node Backdrop options
 class NODE_PT_properties(bpy.types.Panel):
     bl_space_type = 'NODE_EDITOR'
     bl_region_type = 'UI'
diff --git a/release/scripts/ui/space_userpref.py b/release/scripts/ui/space_userpref.py
index af3b5a5dc9d..ff88ed4008c 100644
--- a/release/scripts/ui/space_userpref.py
+++ b/release/scripts/ui/space_userpref.py
@@ -1169,7 +1169,6 @@ class WM_OT_addon_install(bpy.types.Operator):
                 else:
                     os.remove(f_full)
 
-
     def execute(self, context):
         import traceback
         import zipfile
@@ -1216,7 +1215,6 @@ class WM_OT_addon_install(bpy.types.Operator):
             elif os.path.exists(path_dest):
                 self.report({'WARNING'}, "File already installed to %r\n" % path_dest)
                 return {'CANCELLED'}
-                
 
             #if not compressed file just copy into the addon path
             try: