Collecting pvdb==0.1
  1 location(s) to search for versions of pvdb:
  * https://pypi.python.org/simple/pvdb/
  Getting page https://pypi.python.org/simple/pvdb/
  Analyzing links from page https://pypi.python.org/simple/pvdb/
    Found link https://pypi.python.org/packages/0b/46/a9cb3c0a47d3c6585adfe62e1b486f41a95c13dbae85a4e82648420cb332/pvdb-0.1-py3-none-any.whl#md5=303aa5bb1c6ef3fd63ad23c077f37f86 (from https://pypi.python.org/simple/pvdb/), version: 0.1
    Found link https://pypi.python.org/packages/c1/c4/d3e16f4494555b03df877b5ce2f7c774af14c760631f70d133907e4784c0/pvdb-0.1.tar.gz#md5=6a9d56fbd35fc20f5f6270199b0aade2 (from https://pypi.python.org/simple/pvdb/), version: 0.1
  Using version 0.1 (newest of versions: 0.1)
  Downloading pvdb-0.1-py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/0b/46/a9cb3c0a47d3c6585adfe62e1b486f41a95c13dbae85a4e82648420cb332/pvdb-0.1-py3-none-any.whl#md5=303aa5bb1c6ef3fd63ad23c077f37f86 (from https://pypi.python.org/simple/pvdb/)
  Saved /tmp/tmpcdzvulnb/pvdb-0.1-py3-none-any.whl
Skipping pvdb, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-do5ebwj_/pvdb