Renamed gui.py to texture_browser.py

Also discovered double-unregister of a class, so that fixed an old bug.
Removed the workaround for that bug.

blender_cloud/__init__.py

@@ -74,18 +74,18 @@ def register():
         reload_mod('home_project')
 
         blender = reload_mod('blender')
-        gui = reload_mod('gui')
         async_loop = reload_mod('async_loop')
+        texture_browser = reload_mod('texture_browser')
         settings_sync = reload_mod('settings_sync')
         image_sharing = reload_mod('image_sharing')
     else:
-        from . import (blender, gui, async_loop, settings_sync, blendfile, home_project,
+        from . import (blender, texture_browser, async_loop, settings_sync, blendfile, home_project,
                        image_sharing)
 
     async_loop.setup_asyncio_executor()
     async_loop.register()
 
-    gui.register()
+    texture_browser.register()
     blender.register()
     settings_sync.register()
     image_sharing.register()
@@ -109,10 +109,10 @@ def _monkey_patch_requests():
 
 
 def unregister():
-    from . import blender, gui, async_loop, settings_sync, image_sharing
+    from . import blender, texture_browser, async_loop, settings_sync, image_sharing
 
     image_sharing.unregister()
     settings_sync.unregister()
     blender.unregister()
-    gui.unregister()
+    texture_browser.unregister()
     async_loop.unregister()

blender_cloud/blender.py

@@ -10,7 +10,7 @@ import bpy
 from bpy.types import AddonPreferences, Operator, WindowManager, Scene, PropertyGroup
 from bpy.props import StringProperty, EnumProperty, PointerProperty, BoolProperty
 
-from . import pillar, gui
+from . import pillar
 
 PILLAR_SERVER_URL = 'https://cloudapi.blender.org/'
 # PILLAR_SERVER_URL = 'http://localhost:5000/'
@@ -354,8 +354,6 @@ def register():
 def unregister():
     unload_custom_icons()
 
-    gui.unregister()
-
     bpy.utils.unregister_class(PillarCredentialsUpdate)
     bpy.utils.unregister_class(BlenderCloudPreferences)
     bpy.utils.unregister_class(SyncStatusProperties)

blender_cloud/texture_browser.py

@@ -747,5 +747,4 @@ def unregister():
         km.keymap_items.remove(kmi)
     addon_keymaps.clear()
 
-    if 'bl_rna' in BlenderCloudBrowser.__dict__:   # <-- check if we already removed!
     bpy.utils.unregister_class(BlenderCloudBrowser)