The traceback catch is
local variable 'content' referenced before assignment
(<type 'exceptions.UnboundLocalError'>, UnboundLocalError("local variable 'content' referenced before assignment",), <traceback object at 0xbcbde14>)
The traceback catch is
local variable 'content' referenced before assignment
(<type 'exceptions. UnboundLocalErr or'>, UnboundLocalErr or("local variable 'content' referenced before assignment",), <traceback object at 0xbcbde14>)