2021-05-19T20:04:07,905 DEPRECATION: Python 3.5 reached the end of its life on September 13th, 2020. Please upgrade your Python as Python 3.5 is no longer maintained. pip 21.0 will drop support for Python 3.5 in January 2021. pip 21.0 will remove support for this functionality. 2021-05-19T20:04:08,629 Created temporary directory: /tmp/pip-ephem-wheel-cache-mxnhuj0v 2021-05-19T20:04:08,635 Created temporary directory: /tmp/pip-req-tracker-vstpxofv 2021-05-19T20:04:08,636 Initialized build tracking at /tmp/pip-req-tracker-vstpxofv 2021-05-19T20:04:08,636 Created build tracker: /tmp/pip-req-tracker-vstpxofv 2021-05-19T20:04:08,636 Entered build tracker: /tmp/pip-req-tracker-vstpxofv 2021-05-19T20:04:08,638 Created temporary directory: /tmp/pip-wheel-7jnj0wvh 2021-05-19T20:04:08,701 1 location(s) to search for versions of contracts-lib-py: 2021-05-19T20:04:08,701 * https://pypi.org/simple/contracts-lib-py/ 2021-05-19T20:04:08,702 Fetching project page and analyzing links: https://pypi.org/simple/contracts-lib-py/ 2021-05-19T20:04:08,704 Getting page 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https://files.pythonhosted.org/packages/35/39/f9c1ecef4272120b3f8c945f754d858dd45db8a720225cc3985c5ae489ac/contracts-lib-py-0.7.4.tar.gz#sha256=98650eb590805ed48e54ba49e2b5725caa916b209ffc6c5bcf13f74ea84250b3 (from https://pypi.org/simple/contracts-lib-py/), version: 0.7.4 2021-05-19T20:04:09,193 Found link https://files.pythonhosted.org/packages/ce/87/2f910f415acb3d91410cd07f7712c442c0e0b90ab51ffe73e1ecdeac37b5/contracts_lib_py-0.7.4-py2.py3-none-any.whl#sha256=750d2f7ef43e194d86df76a6d58331dac82c39ecab7ea474ea75f08594fe21b1 (from https://pypi.org/simple/contracts-lib-py/), version: 0.7.4 2021-05-19T20:04:09,217 Given no hashes to check 2 links for project 'contracts-lib-py': discarding no candidates 2021-05-19T20:04:09,259 Collecting contracts-lib-py==0.7.4 2021-05-19T20:04:09,263 Created temporary directory: /tmp/pip-unpack-37w0rq64 2021-05-19T20:04:09,487 Downloading contracts_lib_py-0.7.4-py2.py3-none-any.whl (50 kB) 2021-05-19T20:04:09,513 Added contracts-lib-py==0.7.4 from 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