Created temporary directory: /tmp/pip-ephem-wheel-cache-mu9cj202
Created temporary directory: /tmp/pip-req-tracker-pqvtrtpo
Created requirements tracker '/tmp/pip-req-tracker-pqvtrtpo'
Created temporary directory: /tmp/pip-wheel-i1m6mkiq
Collecting wkr==1.0.1
  1 location(s) to search for versions of wkr:
  * https://pypi.org/simple/wkr/
  Getting page https://pypi.org/simple/wkr/
  Analyzing links from page https://pypi.org/simple/wkr/
    Found link https://files.pythonhosted.org/packages/6c/43/44000c1d7949d2c6c46fd1f4da0597422e194ade836357f91096351b6599/wkr-1.0.0-py2.py3-none-any.whl#sha256=cddac0880831b7d627fa33a1dbdc7bd987b066efece1d4717d3d065d098cab20 (from https://pypi.org/simple/wkr/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/f1/52/1e33806f7d138b1012392b35ea02f8d6e44e0550de80499258241acabc94/wkr-1.0.0.tar.gz#sha256=e60a8724a6f00f334df37c3eceba29d99b6d59ea51b7dc4f33a7debd5dfc2638 (from https://pypi.org/simple/wkr/), version: 1.0.0
    Found link https://files.pythonhosted.org/packages/75/2b/23e7fb54d5d5114a42cc032d5d370942bb060f4c25cd3b12e9ea4afa7c10/wkr-1.0.1-py2.py3-none-any.whl#sha256=7e9dfe485a2eca220f112f540c2459d6b2db640b08858506fe62605283b09303 (from https://pypi.org/simple/wkr/), version: 1.0.1
    Found link https://files.pythonhosted.org/packages/f9/26/4318da531c3b246a3ca2797ae08c5694a003237d1deeab0a8b048e9714d9/wkr-1.0.1.tar.gz#sha256=9849661def19444995a92956e8fb4aa016daabab86ca43bd365a89db56843231 (from https://pypi.org/simple/wkr/), version: 1.0.1
  Using version 1.0.1 (newest of versions: 1.0.1)
  Created temporary directory: /tmp/pip-unpack-8744jgok
  Downloading https://files.pythonhosted.org/packages/75/2b/23e7fb54d5d5114a42cc032d5d370942bb060f4c25cd3b12e9ea4afa7c10/wkr-1.0.1-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/75/2b/23e7fb54d5d5114a42cc032d5d370942bb060f4c25cd3b12e9ea4afa7c10/wkr-1.0.1-py2.py3-none-any.whl#sha256=7e9dfe485a2eca220f112f540c2459d6b2db640b08858506fe62605283b09303 (from https://pypi.org/simple/wkr/)
  Saved /tmp/tmpp82xn4nd/wkr-1.0.1-py2.py3-none-any.whl
  Added wkr==1.0.1 from https://files.pythonhosted.org/packages/75/2b/23e7fb54d5d5114a42cc032d5d370942bb060f4c25cd3b12e9ea4afa7c10/wkr-1.0.1-py2.py3-none-any.whl#sha256=7e9dfe485a2eca220f112f540c2459d6b2db640b08858506fe62605283b09303 to build tracker '/tmp/pip-req-tracker-pqvtrtpo'
  Removed wkr==1.0.1 from https://files.pythonhosted.org/packages/75/2b/23e7fb54d5d5114a42cc032d5d370942bb060f4c25cd3b12e9ea4afa7c10/wkr-1.0.1-py2.py3-none-any.whl#sha256=7e9dfe485a2eca220f112f540c2459d6b2db640b08858506fe62605283b09303 from build tracker '/tmp/pip-req-tracker-pqvtrtpo'
Skipping wkr, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-i1m6mkiq/wkr
Removed build tracker '/tmp/pip-req-tracker-pqvtrtpo'