Looking at https://github.com/twisted/nevow/blob/4643891d8ec4a2aab3c8515c4d82ba8924952e4e/setup.py (which I believe is the version of setup.py in Nevow 0.11.1), it no longer imports nevow (or anything else other than versioneer or setuptools) in setup.py. Yay! Problem fixed.
Looking at https:/ /github. com/twisted/ nevow/blob/ 4643891d8ec4a2a ab3c8515c4d82ba 8924952e4e/ setup.py (which I believe is the version of setup.py in Nevow 0.11.1), it no longer imports nevow (or anything else other than versioneer or setuptools) in setup.py. Yay! Problem fixed.