unable to install 0.3.4 version of the layoutparser due to assertion error

[felixgao]

Describe the bug
poetry add layoutparser
Using version ^0.3.4 for layoutparser

Updating dependencies
Resolving dependencies... (0.0s)

AssertionError

at ~/.poetry/lib/poetry/mixology/incompatibility.py:111 in str
107│ )
108│
109│ def str(self):
110│ if isinstance(self._cause, DependencyCause):
→ 111│ assert len(self._terms) == 2
112│
113│ depender = self._terms[0]
114│ dependee = self._terms[1]
115│ assert depender.is_positive()

Checklist

1. I have searched related issues but cannot get the expected help.
2. The bug has not been fixed in the latest version, see the Layout Parser Releases

To Reproduce
Steps to reproduce the behavior:

1. poetry add layoutparser

Environment

1. Please describe your Platform [MacOS]
2. Please show the Layout Parser version
3. You may add addition that may be helpful for locating the problem, such as
   • How you installed PyTorch [e.g., pip, conda, source] poetry
   • Other environment variables that may be related (such as $PATH, $LD_LIBRARY_PATH, $PYTHONPATH, etc.)

Error traceback
If applicable, paste the error traceback here.

Screenshots
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Additional context
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[lolipopshock]

Thanks! I think you might want to take a look at poetry's config -- python-poetry/poetry#3491 (comment) .