3 files changed, 15 insertions, 17 deletions
diff --git a/render_povray/__init__.py b/render_povray/__init__.py
index 02208804..19e61aaf 100644
--- a/render_povray/__init__.py
+++ b/render_povray/__init__.py
@@ -30,25 +30,24 @@ bl_addon_info = {
         'func=detail&aid=23145&group_id=153&atid=469',
     'category': 'Render'}
 
+try:
+    init_data
+
+    reload(render)
+    reload(ui)
+except:
+    from render_povray import render
+    from render_povray import ui
+
+init_data = True
 
 def register():
-    import bpy
-    from render_povray import ui, render
-    classes = [render.PovrayRender,ui.RENDER_PT_povray_radiosity]
-    register = bpy.types.register
-    for cls in classes:
-        register(cls)
+    pass
 
 
 def unregister():
-    import bpy
-    from render_povray import ui, render
-    classes = [render.PovrayRender,ui.RENDER_PT_povray_radiosity]
-    unregister = bpy.types.unregister
-    for cls in classes:
-        unregister(cls)
+    pass
+
 
 if __name__ == "__main__":
     register()
-
-
diff --git a/render_povray/render.py b/render_povray/render.py
index 79d49a45..b2845d7c 100644
--- a/render_povray/render.py
+++ b/render_povray/render.py
@@ -18,7 +18,6 @@
 
 import bpy
 import subprocess, os, sys, time
-from render_povray.write import write_pov, write_pov_ini
 
 import platform as pltfrm
 if pltfrm.architecture()[0] == '64bit':
diff --git a/render_povray/ui.py b/render_povray/ui.py
index c3e560c1..1dfed0f3 100644
--- a/render_povray/ui.py
+++ b/render_povray/ui.py
@@ -153,7 +153,7 @@ del properties_data_camera
 
 
 
-class RenderButtonsPanel(bpy.types.Panel):
+class RenderButtonsPanel():
     bl_space_type = 'PROPERTIES'
     bl_region_type = 'WINDOW'
     bl_context = "render"
@@ -164,7 +164,7 @@ class RenderButtonsPanel(bpy.types.Panel):
         return (rd.use_game_engine == False) and (rd.engine in self.COMPAT_ENGINES)
 
 
-class RENDER_PT_povray_radiosity(RenderButtonsPanel):
+class RENDER_PT_povray_radiosity(RenderButtonsPanel, bpy.types.Panel):
     bl_label = "Radiosity"
     COMPAT_ENGINES = {'POVRAY_RENDER'}