./pants run.py monolith/monolith_server_bootstrap:devel -- --chdir /Users/leo/dev/dockerfiles/web/webapp/monorepo/monolith/src/python

1.3 translate to:
 /usr/local/Cellar/python/2.7.13/Frameworks/Python.framework/Versions/2.7/bin/python2.7 manage --chdir /Users/leo/dev/dockerfiles/web/webapp/monorepo/monolith/src/python
 
1.2 translates to:
/usr/local/Cellar/python/2.7.13/Frameworks/Python.framework/Versions/2.7/bin/python2.7 /Users/leo/dev/dockerfiles/web/webapp/monorepo/.pants.d/python-setup/chroots/ddd4b4e96e62413da17a1c2ace738daf4ef690a1 --chdir /Users/leo/dev/dockerfiles/web/webapp/monorepo/monolith/src/python