Created temporary directory: /tmp/pip-ephem-wheel-cache-ys_m03g8
Created temporary directory: /tmp/pip-req-tracker-0fzz_46y
Created requirements tracker '/tmp/pip-req-tracker-0fzz_46y'
Created temporary directory: /tmp/pip-wheel-io_3br6h
Collecting ipf==1.5b1
  1 location(s) to search for versions of ipf:
  * https://pypi.org/simple/ipf/
  Getting page https://pypi.org/simple/ipf/
  Analyzing links from page https://pypi.org/simple/ipf/
    Found link https://files.pythonhosted.org/packages/51/d6/e3baa9416c92b32a7ef09f3ef896bb5c823577f55bf4857e573e117edd96/ipf-1.0a8.tar.gz#sha256=596af373b2ae5b3edcd3a6e267729574a5fd99bbe5bf4b1d07660d3f48009ddc (from https://pypi.org/simple/ipf/), version: 1.0a8
    Found link https://files.pythonhosted.org/packages/bd/ec/e7631609083de7981107860465f569bca487ec2648699dd9c7bda5af72ae/ipf-1.5b1-py3-none-any.whl#sha256=e3d8f514ba5486aa11feb6ba125761278babc818def31eb828520e763aecb80c (from https://pypi.org/simple/ipf/), version: 1.5b1
    Found link https://files.pythonhosted.org/packages/ee/fc/7e0b58a2b8ec052cdcc3fa99d3139aa0f46933276e43b49d529c4c15d31a/ipf-1.5b1.tar.gz#sha256=8038f6c14fbadf04c95ed45ba65f3d62886d4ea04704de81c8bda5adaffa0ece (from https://pypi.org/simple/ipf/), version: 1.5b1
  Using version 1.5b1 (newest of versions: 1.5b1)
  Created temporary directory: /tmp/pip-unpack-vlgkcfzh
  Downloading https://files.pythonhosted.org/packages/bd/ec/e7631609083de7981107860465f569bca487ec2648699dd9c7bda5af72ae/ipf-1.5b1-py3-none-any.whl (196kB)
  Downloading from URL https://files.pythonhosted.org/packages/bd/ec/e7631609083de7981107860465f569bca487ec2648699dd9c7bda5af72ae/ipf-1.5b1-py3-none-any.whl#sha256=e3d8f514ba5486aa11feb6ba125761278babc818def31eb828520e763aecb80c (from https://pypi.org/simple/ipf/)
  Saved /tmp/tmp0v180nu1/ipf-1.5b1-py3-none-any.whl
  Added ipf==1.5b1 from https://files.pythonhosted.org/packages/bd/ec/e7631609083de7981107860465f569bca487ec2648699dd9c7bda5af72ae/ipf-1.5b1-py3-none-any.whl#sha256=e3d8f514ba5486aa11feb6ba125761278babc818def31eb828520e763aecb80c to build tracker '/tmp/pip-req-tracker-0fzz_46y'
  Removed ipf==1.5b1 from https://files.pythonhosted.org/packages/bd/ec/e7631609083de7981107860465f569bca487ec2648699dd9c7bda5af72ae/ipf-1.5b1-py3-none-any.whl#sha256=e3d8f514ba5486aa11feb6ba125761278babc818def31eb828520e763aecb80c from build tracker '/tmp/pip-req-tracker-0fzz_46y'
Skipping ipf, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-io_3br6h/ipf
Removed build tracker '/tmp/pip-req-tracker-0fzz_46y'