Of note is that the version of deco on PyPI[1] (0.2) is incompatible with Python 3.<p>There have been few commits to fix compatibility, but it&#x27;s not there yet.<p>1. <a href="https:&#x2F;&#x2F;pypi.python.org&#x2F;pypi&#x2F;deco" rel="nofollow">https:&#x2F;&#x2F;pypi.python.org&#x2F;pypi&#x2F;deco</a>