Correct Python exceptions

T35358 by Codemanx

release/scripts/modules/bpy_extras/mesh_utils.py

@@ -421,7 +421,6 @@ def ngon_tessellate(from_data, indices, fix_loops=True):
                     loop_segments.append(context_loop)
                 else:
                     if context_loop and context_loop[-1][1] == v[1]:
-                        #raise "as"
                         pass
                     else:
                         context_loop.append(v)

release/scripts/startup/bl_operators/uvcalc_lightmap.py

@@ -470,9 +470,7 @@ def lightmap_uvpack(meshes,
                         pretty_faces.append(pf_parent)
 
                         w, h = pf_parent.width, pf_parent.height
-
-                        if w > h:
-                            raise "error"
+                        assert(w <= h)
 
                         if w == h:
                             even_dict.setdefault(w, []).append(pf_parent)

release/scripts/startup/bl_operators/uvcalc_smart_project.py

@@ -634,7 +634,7 @@ def packIslands(islandList):
     # print 'Box Packing Time:', time.time() - time1
 
     #if len(pa	ckedLs) != len(islandList):
-    #	raise "Error packed boxes differs from original length"
+    #    raise ValueError("Packed boxes differs from original length")
 
     #print '\tWriting Packed Data to faces'
 #XXX	Window.DrawProgressBar(0.8, "Writing Packed Data to faces")