import git
r = git.Repo.clone_from("https://github.com/nodejs/node", "/tmp/nodegit")
t = r.tags[10]
t.object.tagged_date

~/.local/lib/python3.7/site-packages/gitdb/util.py in __getattr__(self, attr)
    251         to be created and set. Next time the same attribute is reqeusted, it is simply
    252         returned from our dict/slots. """
--> 253         self._set_cache_(attr)
    254         # will raise in case the cache was not created
    255         return object.__getattribute__(self, attr)

/tmp/GitPython/git/objects/tag.py in _set_cache_(self, attr)
     51         if attr in TagObject.__slots__:
     52             ostream = self.repo.odb.stream(self.binsha)
---> 53             lines = ostream.read().decode(defenc).splitlines()
     54
     55             _obj, hexsha = lines[0].split(" ")

UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe1 in position 392: invalid continuation byte