`graphql-relay` update causes error when `graphene` is pip installed

When attempting to do a pip install of graphene there is a compatibility issue with the requirements between graphene and graphql-relay.

The output from running pip install --no-cache-dir graphene is:

Collecting graphene
  Downloading https://files.pythonhosted.org/packages/d2/96/6afc1a61f9d7c1159a59b44bcdc37b68dceaa424e5a8ed9afc051082413d/graphene-2.1.6-py2.py3-none-any.whl (107kB)
     |████████████████████████████████| 112kB 2.1MB/s 
Collecting aniso8601<=6,>=3 (from graphene)
  Downloading https://files.pythonhosted.org/packages/85/58/1e804d6d53435b1b2241036056360575640b69a332e7ead086a04bd5ad95/aniso8601-6.0.0-py2.py3-none-any.whl (41kB)
     |████████████████████████████████| 51kB 48.7MB/s 
Collecting graphql-core<3,>=2.1 (from graphene)
  Downloading https://files.pythonhosted.org/packages/f1/88/a4a7bf8ab66c35b146e44d77a1f9fd2c36e0ec9fb1a51581608c16deb6e3/graphql_core-2.2-py2.py3-none-any.whl (250kB)
     |████████████████████████████████| 256kB 6.1MB/s 
Collecting six<2,>=1.10.0 (from graphene)
  Downloading https://files.pythonhosted.org/packages/73/fb/00a976f728d0d1fecfe898238ce23f502a721c0ac0ecfedb80e0d88c64e9/six-1.12.0-py2.py3-none-any.whl
Collecting graphql-relay<1,>=0.4.5 (from graphene)
  Downloading https://files.pythonhosted.org/packages/86/12/8de5918c2dfcb53958a3767d4e2df9918b603d9a468810c44156fe79faeb/graphql_relay-0.4.5-py3-none-any.whl
Collecting promise>=2.1 (from graphql-core<3,>=2.1->graphene)
  Downloading https://files.pythonhosted.org/packages/5a/81/221d09d90176fd90aed4b530e31b8fedf207385767c06d1d46c550c5e418/promise-2.2.1.tar.gz
Collecting rx>=1.6.0 (from graphql-core<3,>=2.1->graphene)
  Downloading https://files.pythonhosted.org/packages/33/0f/5ef4ac78e2a538cc1b054eb86285fe0bf7a5dbaeaac2c584757c300515e2/Rx-1.6.1-py2.py3-none-any.whl (179kB)
     |████████████████████████████████| 184kB 25.7MB/s 
Building wheels for collected packages: promise
  Building wheel for promise (setup.py) ... done
  Stored in directory: /tmp/pip-ephem-wheel-cache-kjtzfg_h/wheels/92/84/9f/75e2235effae0e1c5a5c0626a503e532bbffcb7e79e672b606
Successfully built promise
ERROR: graphql-relay 0.4.5 has requirement graphql-core<2,>=0.5.0, but you'll have graphql-core 2.2 which is incompatible.
Installing collected packages: aniso8601, six, promise, rx, graphql-core, graphql-relay, graphene
Successfully installed aniso8601-6.0.0 graphene-2.1.6 graphql-core-2.2 graphql-relay-0.4.5 promise-2.2.1 rx-1.6.1 six-1.12.0

graphene requires graphql-core>=2.1,<3 (from the setup.py file) and now graphql-relay requires graphql-core>=0.5.0,<2 for versions under under 2 which appears to be retroactively added.

Version 2.0.0 of graphql-relay appears to be compatible

[jkimbo]

v2.1.7 has been released which should fix this issue.

[jkimbo]

Apologies everyone, we’re going to push a new version of graphene that fixes the dependency on graphql-relay (https://github.com/graphql-python/graphene/pull/1032). Should be going out soon.