Print3D: cleanup unused variables and imports, fix unused operator

Pep8 cleanup
Remove unused variables and imports
Print3DCleanThin was registered even though it was just a stub
It would crash when called from the search menu
(TODO was not commented out)
Added an info message about multiple object selection - only the active
object is checked

1 files changed, 3 insertions, 1 deletions

diff --git a/object_print3d_utils/ui.py b/object_print3d_utils/ui.py
index 2bcf4d55..c556df69 100644
--- a/object_print3d_utils/ui.py
+++ b/object_print3d_utils/ui.py
@@ -24,6 +24,7 @@ import bmesh
 from bpy.types import Panel
 from . import report
 
+
 class Print3DToolBar:
     bl_label = "Print3D"
     bl_space_type = 'VIEW_3D'
@@ -65,7 +66,6 @@ class Print3DToolBar:
 
         scene = context.scene
         print_3d = scene.print_3d
-        obj = context.object
 
         # TODO, presets
 
@@ -130,12 +130,14 @@ class Print3DToolBar:
 
         Print3DToolBar.draw_report(layout, context)
 
+
 # So we can have a panel in both object mode and editmode
 class Print3DToolBarObject(Panel, Print3DToolBar):
     bl_category = "3D Printing"
     bl_idname = "MESH_PT_print3d_object"
     bl_context = "objectmode"
 
+
 class Print3DToolBarMesh(Panel, Print3DToolBar):
     bl_category = "3D Printing"
     bl_idname = "MESH_PT_print3d_mesh"