Unable to pip install aiida-core[REST]

[ltalirz]

pip install aiida-core[REST]
Collecting aiida-core[REST]
  Downloading aiida_core-0.11.2-py2-none-any.whl (10.9MB)
    100% |████████████████████████████████| 10.9MB 113kB/s
  Ignoring itsdangerous: markers 'extra == "REST"' don't match your environment
  Ignoring flask-marshmallow: markers 'extra == "REST"' don't match your environment
  Ignoring Flask-SQLAlchemy: markers 'extra == "REST"' don't match your environment
  Ignoring Flask-Cors: markers 'extra == "REST"' don't match your environment
  Ignoring sqlalchemy-migrate: markers 'extra == "REST"' don't match your environment
  Ignoring Flask-RESTful: markers 'extra == "REST"' don't match your environment
  Ignoring pyparsing: markers 'extra == "REST"' don't match your environment
  Ignoring Flask: markers 'extra == "REST"' don't match your environment
  Ignoring python-memcached: markers 'extra == "REST"' don't match your environment
  Ignoring marshmallow-sqlalchemy: markers 'extra == "REST"' don't match your environment
  Ignoring Pattern: markers 'extra == "REST"' don't match your environment
  Ignoring Flask-HTTPAuth: markers 'extra == "REST"' don't match your environment
  Ignoring Flask-Cache: markers 'extra == "REST"' don't match your environment
Collecting future==0.16.0 (from aiida-core[REST])
...

May be related to this pip issue

For some reason, doing pip install -e .[REST] inside the aiida-core git repository does work, which may be why this has not been noticed so far.

I believe the solution is simply to replace REST by rest (I'll open a PR)

[sphuber]

Fixed in #1328