Collecting python-rapidjson
  Downloading python-rapidjson-0.0.9.tar.gz (126kB)
    100% |████████████████████████████████| 133kB 845kB/s
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/private/var/folders/x6/dp4jcb4j0v10f_6tvgr4dr200000gn/T/pip-build-3yn_8369/python-rapidjson/setup.py", line 43, in <module>
        with open('CHANGES.rst', encoding='utf-8') as f:
    FileNotFoundError: [Errno 2] No such file or directory: 'CHANGES.rst'

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/x6/dp4jcb4j0v10f_6tvgr4dr200000gn/T/pip-build-3yn_8369/python-rapidjson/