Created temporary directory: /tmp/pip-ephem-wheel-cache-kgs62n54
Created temporary directory: /tmp/pip-req-tracker-0ler6pth
Created requirements tracker '/tmp/pip-req-tracker-0ler6pth'
Created temporary directory: /tmp/pip-wheel-4oryoz9u
Collecting enumerate-reversible==2020.4.1
  1 location(s) to search for versions of enumerate-reversible:
  * https://pypi.org/simple/enumerate-reversible/
  Getting page https://pypi.org/simple/enumerate-reversible/
  Analyzing links from page https://pypi.org/simple/enumerate-reversible/
    Found link https://files.pythonhosted.org/packages/46/7e/b3cd770fc786f33367d5cdd60ffbb39ce7be6eedb0692788582d3e75dac7/enumerate_reversible-2020.4.1-py3-none-any.whl#sha256=46a85b901cb4660c4897b309a5d80903c15b6578684a813a0726c5c0f630b7cd (from https://pypi.org/simple/enumerate-reversible/), version: 2020.4.1
    Found link https://files.pythonhosted.org/packages/3b/a9/0c93da98b0446f78068173ed3b3eace3861d72f058cdc5b864076a6f769a/enumerate_reversible-2020.4.1.tar.gz#sha256=341b0f3185ce4b60c4e1e7b0fc47b4482667c16ebdc826b41415042385cb7aca (from https://pypi.org/simple/enumerate-reversible/), version: 2020.4.1
  Using version 2020.4.1 (newest of versions: 2020.4.1)
  Created temporary directory: /tmp/pip-unpack-a_7g5zgc
  Downloading https://files.pythonhosted.org/packages/46/7e/b3cd770fc786f33367d5cdd60ffbb39ce7be6eedb0692788582d3e75dac7/enumerate_reversible-2020.4.1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/46/7e/b3cd770fc786f33367d5cdd60ffbb39ce7be6eedb0692788582d3e75dac7/enumerate_reversible-2020.4.1-py3-none-any.whl#sha256=46a85b901cb4660c4897b309a5d80903c15b6578684a813a0726c5c0f630b7cd (from https://pypi.org/simple/enumerate-reversible/)
  Saved /tmp/tmp2knd6ebi/enumerate_reversible-2020.4.1-py3-none-any.whl
  Added enumerate-reversible==2020.4.1 from https://files.pythonhosted.org/packages/46/7e/b3cd770fc786f33367d5cdd60ffbb39ce7be6eedb0692788582d3e75dac7/enumerate_reversible-2020.4.1-py3-none-any.whl#sha256=46a85b901cb4660c4897b309a5d80903c15b6578684a813a0726c5c0f630b7cd to build tracker '/tmp/pip-req-tracker-0ler6pth'
  Removed enumerate-reversible==2020.4.1 from https://files.pythonhosted.org/packages/46/7e/b3cd770fc786f33367d5cdd60ffbb39ce7be6eedb0692788582d3e75dac7/enumerate_reversible-2020.4.1-py3-none-any.whl#sha256=46a85b901cb4660c4897b309a5d80903c15b6578684a813a0726c5c0f630b7cd from build tracker '/tmp/pip-req-tracker-0ler6pth'
Skipping enumerate-reversible, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-4oryoz9u/enumerate-reversible
Removed build tracker '/tmp/pip-req-tracker-0ler6pth'