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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"TypeError: Protocols cannot be instantiated","articleBody":"I am having a issue with getting the date from a git commit. I keep getting this error:\r\n\r\n```\r\nTraceback (most recent call last):\r\n  File \"/code/manage.py\", line 19, in \u003cmodule\u003e\r\n    main()\r\n  File \"/code/manage.py\", line 15, in main\r\n    execute_from_command_line(sys.argv)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/core/management/__init__.py\", line 419, in execute_from_command_line\r\n    utility.execute()\r\n  File \"/usr/local/lib/python3.9/site-packages/django/core/management/__init__.py\", line 413, in execute\r\n    self.fetch_command(subcommand).run_from_argv(self.argv)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/core/management/base.py\", line 354, in run_from_argv\r\n    self.execute(*args, **cmd_options)\r\n  File \"/usr/local/lib/python3.9/site-packages/django/core/management/base.py\", line 398, in execute\r\n    output = self.handle(*args, **options)\r\n  File \"/code/commits/management/commands/scan_commits.py\", line 35, in handle\r\n    self.create_commits_branch(project, branch)\r\n  File \"/code/commits/management/commands/scan_commits.py\", line 57, in create_commits_branch\r\n    date=datetime.fromtimestamp(git_commit.committed_date),\r\n  File \"/usr/local/lib/python3.9/site-packages/gitdb/util.py\", line 253, in __getattr__\r\n    self._set_cache_(attr)\r\n  File \"/usr/local/lib/python3.9/site-packages/git/objects/commit.py\", line 199, in _set_cache_\r\n    self._deserialize(BytesIO(stream.read()))\r\n  File \"/usr/local/lib/python3.9/site-packages/git/objects/commit.py\", line 528, in _deserialize\r\n    self.tree = Tree(self.repo, hex_to_bin(readline().split()[1]), Tree.tree_id \u003c\u003c 12, '')\r\n  File \"/usr/local/lib/python3.9/site-packages/git/objects/tree.py\", line 215, in __init__\r\n    super(Tree, self).__init__(repo, binsha, mode, path)\r\n  File \"/usr/local/lib/python3.9/site-packages/git/objects/base.py\", line 168, in __init__\r\n    super(IndexObject, self).__init__(repo, binsha)\r\n  File \"/usr/local/lib/python3.9/site-packages/git/objects/base.py\", line 56, in __init__\r\n    super(Object, self).__init__()\r\n  File \"/usr/local/lib/python3.9/typing.py\", line 1083, in _no_init\r\n    raise TypeError('Protocols cannot be instantiated')\r\nTypeError: Protocols cannot be instantiated\r\n```\r\n\r\nI get this error with the python 3.9 in docker. Using version 3.1.20 of GitPython.","author":{"url":"https://github.com/jessielaf","@type":"Person","name":"jessielaf"},"datePublished":"2021-09-02T08:57:08.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/1332/GitPython/issues/1332"}