Created temporary directory: /tmp/pip-ephem-wheel-cache-i9z98igl
Created temporary directory: /tmp/pip-req-tracker-pd2qsxct
Created requirements tracker '/tmp/pip-req-tracker-pd2qsxct'
Created temporary directory: /tmp/pip-wheel-md5ya6pz
Collecting flax==0.1.0
  1 location(s) to search for versions of flax:
  * https://pypi.org/simple/flax/
  Getting page https://pypi.org/simple/flax/
  Analyzing links from page https://pypi.org/simple/flax/
    Found link https://files.pythonhosted.org/packages/8c/5e/b4d781e8a1689ed1b71296be8eaf79e21d3e6e4e473a79b6362e65faed02/flax-0.1.0rc1-py3-none-any.whl#sha256=8c7cceaf0a1116aeb38d5a7f4b24d9baea5a9dddfa4fdf87802363ed2b887ea7 (from https://pypi.org/simple/flax/), version: 0.1.0rc1
    Found link https://files.pythonhosted.org/packages/3d/1b/f363177a24ec73bb28cc6425d85de8f4d589ab51871d9af1b8af4e7c1e2b/flax-0.1.0rc1.tar.gz#sha256=d88f24cd59e22fcfe4bfc037c88ecc34d3f7d9ce8db297c317421f7664d6b678 (from https://pypi.org/simple/flax/), version: 0.1.0rc1
    Found link https://files.pythonhosted.org/packages/0e/8f/6d772aba2fa63aa6c1fd10d267324c44288c1c5705ac971c7d79cea219bb/flax-0.1.0rc2-py3-none-any.whl#sha256=1d7b093b11efd7faee42262956ad3b62b7ad9c46f59671e6ba7fda5f2efb19f8 (from https://pypi.org/simple/flax/), version: 0.1.0rc2
    Found link https://files.pythonhosted.org/packages/91/30/955d6b6143c9d6b819ba85ebce654aae7a235017962fa8e8519110e5ac5f/flax-0.1.0rc2.tar.gz#sha256=3cc797122d47ed69a28f93e81a66d316c5463e156f7bf2cc3bd1ef59cdcad93a (from https://pypi.org/simple/flax/), version: 0.1.0rc2
    Found link https://files.pythonhosted.org/packages/13/f6/33d3a8e180787d4540421acf57d8a64175dc23dc29a9125c4f76977b0d75/flax-0.1.0-py3-none-any.whl#sha256=2f5c21e8006e938fdf37b2748a802403fe13e90d4691e59531c5c2fa2cf5f0d0 (from https://pypi.org/simple/flax/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/6e/8d/e8afc69e4984c8513876948d7b462e21094211e7c62f2bfe3d51a951ede7/flax-0.1.0.tar.gz#sha256=94e6a05531009c44b000b9778603c6cceff43b8450e4059c22fd0dea93ea7b3b (from https://pypi.org/simple/flax/), version: 0.1.0
  Using version 0.1.0 (newest of versions: 0.1.0)
  Created temporary directory: /tmp/pip-unpack-3475odl7
  Downloading https://files.pythonhosted.org/packages/13/f6/33d3a8e180787d4540421acf57d8a64175dc23dc29a9125c4f76977b0d75/flax-0.1.0-py3-none-any.whl (77kB)
  Downloading from URL https://files.pythonhosted.org/packages/13/f6/33d3a8e180787d4540421acf57d8a64175dc23dc29a9125c4f76977b0d75/flax-0.1.0-py3-none-any.whl#sha256=2f5c21e8006e938fdf37b2748a802403fe13e90d4691e59531c5c2fa2cf5f0d0 (from https://pypi.org/simple/flax/)
  Saved /tmp/tmpqgnwe6pl/flax-0.1.0-py3-none-any.whl
  Added flax==0.1.0 from https://files.pythonhosted.org/packages/13/f6/33d3a8e180787d4540421acf57d8a64175dc23dc29a9125c4f76977b0d75/flax-0.1.0-py3-none-any.whl#sha256=2f5c21e8006e938fdf37b2748a802403fe13e90d4691e59531c5c2fa2cf5f0d0 to build tracker '/tmp/pip-req-tracker-pd2qsxct'
  Removed flax==0.1.0 from https://files.pythonhosted.org/packages/13/f6/33d3a8e180787d4540421acf57d8a64175dc23dc29a9125c4f76977b0d75/flax-0.1.0-py3-none-any.whl#sha256=2f5c21e8006e938fdf37b2748a802403fe13e90d4691e59531c5c2fa2cf5f0d0 from build tracker '/tmp/pip-req-tracker-pd2qsxct'
Skipping flax, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-md5ya6pz/flax
Removed build tracker '/tmp/pip-req-tracker-pd2qsxct'