2017-04-01 0:47 GMT+02:00 Victor Stinner <victor.stinner at gmail.com>: > (2) 2014-04-01, 2014-07-01, 2014-10-01, 2015-01-01: "venv/bin/python > -m pip install" fails in extract_stack() of pyparsing I reported the issue on pip bug tracker: https://github.com/pypa/pip/issues/4408 Victor