Created temporary directory: /tmp/pip-ephem-wheel-cache-_5zprm59
Created temporary directory: /tmp/pip-req-tracker-t457jc_g
Created requirements tracker '/tmp/pip-req-tracker-t457jc_g'
Created temporary directory: /tmp/pip-wheel-v5axnr4_
Collecting buflow==1.0.0
  1 location(s) to search for versions of buflow:
  * https://pypi.org/simple/buflow/
  Getting page https://pypi.org/simple/buflow/
  Analyzing links from page https://pypi.org/simple/buflow/
    Found link https://files.pythonhosted.org/packages/93/6a/05d120ef2076962410039e20319802a9cb1c3ee3a6a25734b54d270d68d2/buflow-1.0.0-py3-none-any.whl#sha256=361ad663593597687c934f7da40f418a32e209bdfa963db5e627ef516b3b7d33 (from https://pypi.org/simple/buflow/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/5a/fe/028ee5f4dadecc57e53890269a040d0be5867240044430a93b472b58fba9/buflow-1.0.0.tar.gz#sha256=849bda0af4e945c30c8f7e60d15234c34971f1cdab06c1a9d339fd13ec1084f1 (from https://pypi.org/simple/buflow/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*), version: 1.0.0
  Using version 1.0.0 (newest of versions: 1.0.0)
  Created temporary directory: /tmp/pip-unpack-us2qb3u5
  Downloading https://files.pythonhosted.org/packages/93/6a/05d120ef2076962410039e20319802a9cb1c3ee3a6a25734b54d270d68d2/buflow-1.0.0-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/93/6a/05d120ef2076962410039e20319802a9cb1c3ee3a6a25734b54d270d68d2/buflow-1.0.0-py3-none-any.whl#sha256=361ad663593597687c934f7da40f418a32e209bdfa963db5e627ef516b3b7d33 (from https://pypi.org/simple/buflow/) (requires-python:>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*)
  Saved /tmp/tmpyg4p2jja/buflow-1.0.0-py3-none-any.whl
  Added buflow==1.0.0 from https://files.pythonhosted.org/packages/93/6a/05d120ef2076962410039e20319802a9cb1c3ee3a6a25734b54d270d68d2/buflow-1.0.0-py3-none-any.whl#sha256=361ad663593597687c934f7da40f418a32e209bdfa963db5e627ef516b3b7d33 to build tracker '/tmp/pip-req-tracker-t457jc_g'
  Removed buflow==1.0.0 from https://files.pythonhosted.org/packages/93/6a/05d120ef2076962410039e20319802a9cb1c3ee3a6a25734b54d270d68d2/buflow-1.0.0-py3-none-any.whl#sha256=361ad663593597687c934f7da40f418a32e209bdfa963db5e627ef516b3b7d33 from build tracker '/tmp/pip-req-tracker-t457jc_g'
Skipping buflow, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-v5axnr4_/buflow
Removed build tracker '/tmp/pip-req-tracker-t457jc_g'