Collecting mds-periodic-invoice==4.6.0
  1 location(s) to search for versions of mds-periodic-invoice:
  * https://pypi.python.org/simple/mds-periodic-invoice/
  Getting page https://pypi.python.org/simple/mds-periodic-invoice/
  Analyzing links from page https://pypi.python.org/simple/mds-periodic-invoice/
    Skipping link https://pypi.python.org/packages/11/3d/4da2538ee982a08a21ce3eed06cb3e67bf0d71d57a15b520ed24fd3f668f/mds_periodic_invoice-4.6.0-py2-none-any.whl#md5=6e3ee2052bf4070d07d12c72d912fa6c (from https://pypi.python.org/simple/mds-periodic-invoice/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/26/49/9e98aaa0550045d5c6e5d08de117344155660130255e1d34527269765eb0/mds_periodic_invoice-4.6.0.tar.gz#md5=29717c670342d862c611342f0c23cbe2 (from https://pypi.python.org/simple/mds-periodic-invoice/), version: 4.6.0
    Found link https://pypi.python.org/packages/bd/3a/b2e3494ac967afddf104c14d52115d4fb09143d500311c30a2e3d0840b9a/mds_periodic_invoice-4.6.0-py3-none-any.whl#md5=998880027467255ee840f2d8ef5052e1 (from https://pypi.python.org/simple/mds-periodic-invoice/), version: 4.6.0
    Skipping link https://pypi.python.org/packages/d1/86/2a0bb80cba653570c81b75db3dcbf30b26c6afa3850ce7b51fd5b83042a8/mds_periodic_invoice-0.1.0-py2-none-any.whl#md5=60044a57125ebea83e1a5e005766c65b (from https://pypi.python.org/simple/mds-periodic-invoice/); it is not compatible with this Python
    Found link https://pypi.python.org/packages/e9/b0/d96586e98469eb95b7e674ae14049ef6932fdfe6ee82199435ee46a63a70/mds_periodic_invoice-0.1.0.tar.gz#md5=c5dfc01435c9191cf12629cebe52abb6 (from https://pypi.python.org/simple/mds-periodic-invoice/), version: 0.1.0
  Using version 4.6.0 (newest of versions: 4.6.0)
  Downloading mds_periodic_invoice-4.6.0-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/bd/3a/b2e3494ac967afddf104c14d52115d4fb09143d500311c30a2e3d0840b9a/mds_periodic_invoice-4.6.0-py3-none-any.whl#md5=998880027467255ee840f2d8ef5052e1 (from https://pypi.python.org/simple/mds-periodic-invoice/)
  Saved /tmp/tmpomd6rbfq/mds_periodic_invoice-4.6.0-py3-none-any.whl
Skipping mds-periodic-invoice, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-uvyjoz77/mds-periodic-invoice