35 warnings and 4 errors generated.
error: command 'clang' failed with exit status 1

----------------------------------------

Moving to /usr/local/lib/python3.7/site-packages/plyvel-1.1.0.dist-info/
   from /usr/local/lib/python3.7/site-packages/~lyvel-1.1.0.dist-info
  Moving to /usr/local/lib/python3.7/site-packages/plyvel/
   from /usr/local/lib/python3.7/site-packages/~lyvel
Command "/usr/local/opt/python/bin/python3.7 -u -c "import setuptools, tokenize;__file__='/private/tmp/pip-install-nsgaksl0/plyvel/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('rn', 'n');f.close();exec(compile(code, __file__, 'exec'))" install --record /private/tmp/pip-record-rhqla4_4/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/tmp/pip-install-nsgaksl0/plyvel/