Pip error, different version in metadata

[stereotypy]

Upon trying to install in Linux via pip I get this error. Tried purging cache with no effect.
Collecting big-sleep

  Downloading big_sleep-0.8.5-py3-none-any.whl (1.4 MB)
     |████████████████████████████████| 1.4 MB 14.6 MB/s 
ERROR: Requested big-sleep from https://files.pythonhosted.org/packages/01/56/1129d3471af2830debea8cdaedfd844e53bdfa6ec5371a4996ba90b71fd6/big_sleep-0.8.5-py3-none-any.whl#sha256=429e5800edf40acfb0d6aa1cdfeecaeb59cd4140cb455145a13da1627dfddd5a has different version in metadata: '0.8.5'