gistfile1.txt

Traceback (most recent call last):
  File "/usr/lib/python-exec/python3.9/gertty", line 10, in <module>
    sys.exit(main())
  File "/usr/lib/python3.9/site-packages/gertty/app.py", line 943, in main
    g.run()
  File "/usr/lib/python3.9/site-packages/gertty/app.py", line 362, in run
    self.loop.run()
  File "/usr/lib/python3.9/site-packages/urwid/main_loop.py", line 287, in run
    self._run()
  File "/usr/lib/python3.9/site-packages/urwid/main_loop.py", line 385, in _run
    self.event_loop.run()
  File "/usr/lib/python3.9/site-packages/urwid/main_loop.py", line 790, in run
    self._loop()
  File "/usr/lib/python3.9/site-packages/urwid/main_loop.py", line 827, in _loop
    self._watch_files[fd]()
  File "/usr/lib/python3.9/site-packages/urwid/raw_display.py", line 416, in <lambda>
    wrapper = lambda: self.parse_input(
  File "/usr/lib/python3.9/site-packages/urwid/raw_display.py", line 515, in parse_input
    callback(processed, processed_codes)
  File "/usr/lib/python3.9/site-packages/urwid/main_loop.py", line 412, in _update
    self.process_input(keys)
  File "/usr/lib/python3.9/site-packages/urwid/main_loop.py", line 513, in process_input
    k = self._topmost_widget.keypress(self.screen_size, k)
  File "/usr/lib/python3.9/site-packages/urwid/container.py", line 1135, in keypress
    return self.body.keypress( (maxcol, remaining), key )
  File "/usr/lib/python3.9/site-packages/gertty/view/change.py", line 1035, in keypress
    row.diff(None)
  File "/usr/lib/python3.9/site-packages/gertty/view/change.py", line 368, in diff
    self.change_view.diff(self.revision_key)
  File "/usr/lib/python3.9/site-packages/gertty/view/change.py", line 1113, in diff
    screen = view_side_diff.SideDiffView(self.app, revision_key)
  File "/usr/lib/python3.9/site-packages/gertty/view/diff.py", line 189, in __init__
    self._init()
  File "/usr/lib/python3.9/site-packages/gertty/view/diff.py", line 289, in _init
    diffs = repo.diff(self.base_commit, self.commit,
  File "/usr/lib/python3.9/site-packages/gertty/gitrepo.py", line 437, in diff
    extra_contexts.append(CommitContext(None, newc))
  File "/usr/lib/python3.9/site-packages/gertty/gitrepo.py", line 125, in __init__
    self.decorateMessage(old), self.decorateMessage(new),
  File "/usr/lib/python3.9/site-packages/gertty/gitrepo.py", line 83, in decorateMessage
    if commit.parents:
  File "/usr/lib/python3.9/site-packages/gitdb/util.py", line 253, in __getattr__
    self._set_cache_(attr)
  File "/usr/lib/python3.9/site-packages/git/objects/commit.py", line 199, in _set_cache_
    self._deserialize(BytesIO(stream.read()))
  File "/usr/lib/python3.9/site-packages/git/objects/commit.py", line 528, in _deserialize
    self.tree = Tree(self.repo, hex_to_bin(readline().split()[1]), Tree.tree_id << 12, '')
  File "/usr/lib/python3.9/site-packages/git/objects/tree.py", line 215, in __init__
    super(Tree, self).__init__(repo, binsha, mode, path)
  File "/usr/lib/python3.9/site-packages/git/objects/base.py", line 168, in __init__
    super(IndexObject, self).__init__(repo, binsha)
  File "/usr/lib/python3.9/site-packages/git/objects/base.py", line 56, in __init__
    super(Object, self).__init__()
  File "/usr/lib/python3.9/typing.py", line 1083, in _no_init
    raise TypeError('Protocols cannot be instantiated')
TypeError: Protocols cannot be instantiated