Created temporary directory: /tmp/pip-ephem-wheel-cache-_candeq8
Created temporary directory: /tmp/pip-req-tracker-nxvv8pc6
Created requirements tracker '/tmp/pip-req-tracker-nxvv8pc6'
Created temporary directory: /tmp/pip-wheel-iu5ifc7o
Collecting polling2==0.4.1
  1 location(s) to search for versions of polling2:
  * https://pypi.org/simple/polling2/
  Getting page https://pypi.org/simple/polling2/
  Analyzing links from page https://pypi.org/simple/polling2/
    Skipping link https://files.pythonhosted.org/packages/c8/57/e876ddf1f98170c7d36ceddc14d1447293024efb72d6537ec83770c61865/polling2-0.4.0-py2-none-any.whl#sha256=1b12e84406d42f631854c477e69856ee007c8fb87476ad15d7360d9dd57632c9 (from https://pypi.org/simple/polling2/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/c5/02/47b89495000de32a627ceb5c4ada1bd097a0d1f2b1a0afe510a777d2b1e1/polling2-0.4.0.tar.gz#sha256=04e31c838d038638b403965c5f7e74de95387fd8701fd9665dfcbb70fe7f3266 (from https://pypi.org/simple/polling2/), version: 0.4.0
    Found link https://files.pythonhosted.org/packages/e0/b0/8f2afc5e40b64c12dc9f92b5668811409c18ca102c7263b504388f2e0532/polling2-0.4.1-py2.py3-none-any.whl#sha256=ff1ee8484cda9f7f91a7ad80b83094cffd87c706b94009d06b54ee5976c1e123 (from https://pypi.org/simple/polling2/), version: 0.4.1
    Found link https://files.pythonhosted.org/packages/a6/90/22d34c9231b6d63445ad1c413f470a042f1306a17759bd40f1fe495d95a5/polling2-0.4.1.tar.gz#sha256=bf064bef90dcd3a9e6ff17e8a0a27bbd6aa7ee464d3e9df93ae3aac397efff55 (from https://pypi.org/simple/polling2/), version: 0.4.1
    Found link https://files.pythonhosted.org/packages/86/20/2ba93e67bceb8957c882d080839108b336fe006b9a340a9001d063c52d9c/polling2-0.4.3-py2.py3-none-any.whl#sha256=da5803ef73c020501b4a55e62044aed95cb92adf526c0e7eaeeea6ed96d048d1 (from https://pypi.org/simple/polling2/), version: 0.4.3
    Found link https://files.pythonhosted.org/packages/7b/1f/b69bd729b0ac6b48d826dd88c42daab28b7788734a03af9ac8f5c4e66316/polling2-0.4.3.tar.gz#sha256=b2ba8f58cc697220f84e238e58bbe7cabfd69b9869dd7ad6d202789baec207a3 (from https://pypi.org/simple/polling2/), version: 0.4.3
  Using version 0.4.1 (newest of versions: 0.4.1)
  Created temporary directory: /tmp/pip-unpack-938wqg59
  Downloading https://files.pythonhosted.org/packages/e0/b0/8f2afc5e40b64c12dc9f92b5668811409c18ca102c7263b504388f2e0532/polling2-0.4.1-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/e0/b0/8f2afc5e40b64c12dc9f92b5668811409c18ca102c7263b504388f2e0532/polling2-0.4.1-py2.py3-none-any.whl#sha256=ff1ee8484cda9f7f91a7ad80b83094cffd87c706b94009d06b54ee5976c1e123 (from https://pypi.org/simple/polling2/)
  Saved /tmp/tmplwnkgw53/polling2-0.4.1-py2.py3-none-any.whl
  Added polling2==0.4.1 from https://files.pythonhosted.org/packages/e0/b0/8f2afc5e40b64c12dc9f92b5668811409c18ca102c7263b504388f2e0532/polling2-0.4.1-py2.py3-none-any.whl#sha256=ff1ee8484cda9f7f91a7ad80b83094cffd87c706b94009d06b54ee5976c1e123 to build tracker '/tmp/pip-req-tracker-nxvv8pc6'
  Removed polling2==0.4.1 from https://files.pythonhosted.org/packages/e0/b0/8f2afc5e40b64c12dc9f92b5668811409c18ca102c7263b504388f2e0532/polling2-0.4.1-py2.py3-none-any.whl#sha256=ff1ee8484cda9f7f91a7ad80b83094cffd87c706b94009d06b54ee5976c1e123 from build tracker '/tmp/pip-req-tracker-nxvv8pc6'
Skipping polling2, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-iu5ifc7o/polling2
Removed build tracker '/tmp/pip-req-tracker-nxvv8pc6'