Traceback (most recent call last):


 "/usr/lib/python3/dist-packages/astroid/__init__.py", line 89, in _inference_tip_cached

return iter(_cache[func, node])
KeyError: (<function register_builtin_transform.<locals>._transform_wrapper at 0x7fc2d4486d90>, <Call l.10 at 0x7fc2d41b0748>)

Traceback (most recent call last):


 "bug.py", line 15, in <module>

loop.run()


 "/home/goncalopp/urwid/urwid/main_loop.py", line 287, in run

self._run()


 "/home/goncalopp/urwid/urwid/main_loop.py", line 385, in _run

self.event_loop.run()


 "/home/goncalopp/urwid/urwid/main_loop.py", line 790, in run

self._loop()


 "/home/goncalopp/urwid/urwid/main_loop.py", line 827, in _loop

self._watch_files[fd]()
KeyError: 4
