Collecting bartender==2.3.1
  1 location(s) to search for versions of bartender:
  * https://pypi.python.org/simple/bartender/
  Getting page https://pypi.python.org/simple/bartender/
  Analyzing links from page https://pypi.python.org/simple/bartender/
    Skipping link https://pypi.python.org/packages/0b/e9/8d4219b6a4b8418d30221cf3ec696ecd5a31c3d14e0a390808a8f1d20d52/bartender-2.3.1-py2-none-any.whl#md5=465ad4d2b20187e439ff745a8aed5aeb (from https://pypi.python.org/simple/bartender/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/44/12/3c4bb46c6e17fc1722ade21f7d7db93e84c7d44455705f21bf6964049188/bartender-2.3.1-py3-none-any.whl#md5=cb09a27e8757b6eb5322f220cec61357 (from https://pypi.python.org/simple/bartender/), version: 2.3.1
    Found link https://pypi.python.org/packages/62/df/269d00c87858894b858b487511adafe08c1604e624ca2b9300069c7cebce/bartender-2.3.1.tar.gz#md5=f398390176f3dc91e5648b1ccd4449ee (from https://pypi.python.org/simple/bartender/), version: 2.3.1
  Using version 2.3.1 (newest of versions: 2.3.1)
  Downloading bartender-2.3.1-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/44/12/3c4bb46c6e17fc1722ade21f7d7db93e84c7d44455705f21bf6964049188/bartender-2.3.1-py3-none-any.whl#md5=cb09a27e8757b6eb5322f220cec61357 (from https://pypi.python.org/simple/bartender/)
  Saved /tmp/tmpkwyky82g/bartender-2.3.1-py3-none-any.whl
Skipping bartender, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-j9fnbxqo/bartender