pep8 cleanup, also print message when attempting to run in animation player mode.

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

@@ -6,29 +6,31 @@ createTexture() and removeTexture() are to be called from a module Python
 Controller.
 """
 from bge import logic
-from bge import texture	
+from bge import texture
+
 
 def createTexture(cont):
     """Create a new Dynamic Texture"""
     object = cont.owner
-	
+
     # get the reference pointer (ID) of the internal texture
     ID = texture.materialID(obj, 'IMoriginal.png')
-	
-    # create a texture object 
+
+    # create a texture object
     object_texture = texture.Texture(object, ID)
-	
+
     # create a new source with an external image
     url = logic.expandPath("//newtexture.jpg")
     new_source = texture.ImageFFmpeg(url)
-	
+
     # the texture has to be stored in a permanent Python object
     logic.texture = object_texture
-	
+
     # update/replace the texture
     logic.texture.source = new_source
     logic.texture.refresh(False)
 
+
 def removeTexture(cont):
     """Delete the Dynamic Texture, reversing back the final to its original state."""
     try: