'mypy "too many arguments" when declaring @property function

I do not understand why mypy does not like this @property method declaration:

@property
def cc_lemmas_dict(self, tag_delim='+', max_cycles=0) -> Dict[str, Set[str]]:

When I run mypy on this module, I get a Too many arguments error:

$ mypy src/lexc_parser/
src/lexc_parser/lexicon.py:81: error: Too many arguments
Found 1 error in 1 file (checked 7 source files)

I have searched online, but I cannot find any reason why mypy doesn't like this. Any ideas?

python mypy

Sources

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