fix for misc py errors + some pep8 edits.

doc/python_api/examples/bge.texture.1.py

@@ -14,7 +14,7 @@ def createTexture(cont):
     object = cont.owner
 
     # get the reference pointer (ID) of the internal texture
-    ID = texture.materialID(obj, 'IMoriginal.png')
+    ID = texture.materialID(object, 'IMoriginal.png')
 
     # create a texture object
     object_texture = texture.Texture(object, ID)

doc/python_api/examples/bpy.types.Operator.py

@@ -21,7 +21,7 @@ class HelloWorldOperator(bpy.types.Operator):
         print("Hello World")
         return {'FINISHED'}
 
-bpy.utils.register_class(SimpleOperator)
+bpy.utils.register_class(HelloWorldOperator)
 
 # test call to the newly defined operator
 bpy.ops.wm.hello_world()