(.venv) Rajdeeps-MacBook-Air:~ rajdeep$ buildbot create-master wpmaster
mkdir /Users/rajdeep/wpmaster
creating /Users/rajdeep/wpmaster/master.cfg.sample
Traceback (most recent call last):
  File "/Users/rajdeep/buildbotwebpack/master/buildbot/plugins/db.py", line 214, in _load_entry
    result = entry.load()
  File "/Users/rajdeep/buildbotwebpack/.venv/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2434, in load
    return self.resolve()
  File "/Users/rajdeep/buildbotwebpack/.venv/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2440, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/Users/rajdeep/buildbotwebpack/www/badges/buildbot_badges/__init__.py", line 26, in <module>
    import cairocffi as cairo
  File "/Users/rajdeep/buildbotwebpack/.venv/lib/python3.7/site-packages/cairocffi/__init__.py", line 39, in <module>
    cairo = dlopen(ffi, 'cairo', 'cairo-2', 'cairo-gobject-2', 'cairo.so.2')
  File "/Users/rajdeep/buildbotwebpack/.venv/lib/python3.7/site-packages/cairocffi/__init__.py", line 36, in dlopen
    raise OSError("dlopen() failed to load a library: %s" % ' / '.join(names))
OSError: dlopen() failed to load a library: cairo / cairo-2 / cairo-gobject-2 / cairo.so.2