2019-10-20T18:05:27 Created temporary directory: /tmp/pip-ephem-wheel-cache-64p45uil
2019-10-20T18:05:27 Created temporary directory: /tmp/pip-req-tracker-he98kcdz
2019-10-20T18:05:27 Created requirements tracker '/tmp/pip-req-tracker-he98kcdz'
2019-10-20T18:05:27 Created temporary directory: /tmp/pip-wheel-8avmc364
2019-10-20T18:05:27 Collecting dataclasses==0.7
2019-10-20T18:05:27   1 location(s) to search for versions of dataclasses:
2019-10-20T18:05:27   * https://pypi.org/simple/dataclasses/
2019-10-20T18:05:27   Getting page https://pypi.org/simple/dataclasses/
2019-10-20T18:05:27   Analyzing links from page https://pypi.org/simple/dataclasses/
2019-10-20T18:05:27     Found link https://files.pythonhosted.org/packages/c2/1a/f071ef9c0ca0de699888a0216f03e461ca52a6606b4e4e67a3fd0945cc57/dataclasses-0.1-py3-none-any.whl#sha256=7453d237c07b54fbe7f34269cb50bdd14b247f161e2e40fd36cd0d572696ec91 (from https://pypi.org/simple/dataclasses/), version: 0.1
2019-10-20T18:05:27     Found link https://files.pythonhosted.org/packages/18/f6/c65a5cafa61d5e1aeb56b5b0ce08eeb7a49255e7af612f4ffb68d5afbf32/dataclasses-0.1.tar.gz#sha256=a20c07c7fb59b0f1b7484ba4845ce1d3a5fd9fa28ac07b4c1b7b17d4b2f6c8da (from https://pypi.org/simple/dataclasses/), version: 0.1
2019-10-20T18:05:27     Found link https://files.pythonhosted.org/packages/63/3b/97b1df59a8bbf6366a10ae37e8794681993729c15726f093d81d500041a7/dataclasses-0.2-py3-none-any.whl#sha256=88ef405c36c11623db398a3efc28bb05cc219717def604b3011f51497d36d6e2 (from https://pypi.org/simple/dataclasses/), version: 0.2
2019-10-20T18:05:27     Found link https://files.pythonhosted.org/packages/b2/1b/c9440e565f8582d6abc7fa40d037e1b5f6d66e938a8629b5efdb15cf3d7e/dataclasses-0.2.tar.gz#sha256=cb0862ffeed52910182bffa56b50c439b790ae6169b59897c045d332cc030395 (from https://pypi.org/simple/dataclasses/), version: 0.2
2019-10-20T18:05:27     Found link https://files.pythonhosted.org/packages/c5/0f/509bf941c92e2e52330e736f7a7c66eb5147fb86f6c41d64a5819ccbc847/dataclasses-0.3-py3-none-any.whl#sha256=5e9c6144acb2113b6d7fdcbfa352a9639322c38752323503ef04710d8b8e68ce (from https://pypi.org/simple/dataclasses/), version: 0.3
2019-10-20T18:05:27     Found link https://files.pythonhosted.org/packages/a5/84/548d2f6c7cbd17a3ba89f1cadd6bb18f3b990b56b08cfe90d42044eb641c/dataclasses-0.3.tar.gz#sha256=5ea21f4d75eee0a6c316b76782f0426e6ac63915815de99eda7313ce35e14ecb (from https://pypi.org/simple/dataclasses/), version: 0.3
2019-10-20T18:05:27     Found link https://files.pythonhosted.org/packages/1a/5c/1b3c26c66fe52d05519a6240eb8d27481dc955dd303cd10cba47412c3566/dataclasses-0.4-py3-none-any.whl#sha256=068953b730c80cbb13ca6aac6ceedaa5d483fb6081a372ac4788aa5179ed9597 (from https://pypi.org/simple/dataclasses/), version: 0.4
2019-10-20T18:05:27     Found link https://files.pythonhosted.org/packages/f7/46/d95afb5e1291f6ec18175b249a8fb2f168b1b19c7f9dcce0e1584924be22/dataclasses-0.4.tar.gz#sha256=0f75133f21f6c9bd0fe82bc75d9908e46f531682911c9cffa75bce0e40ef09ef (from https://pypi.org/simple/dataclasses/), version: 0.4
2019-10-20T18:05:27     Found link https://files.pythonhosted.org/packages/e6/aa/06d69f3084fcf49bc02db6f39a8126a7d5a1f3ebfdf4ae69bcbc68141e01/dataclasses-0.5-py3-none-any.whl#sha256=7127de1976d5c6d4f374c9826aefe6564b612690a60ca957cbd5c64483326dc1 (from https://pypi.org/simple/dataclasses/), version: 0.5
2019-10-20T18:05:27     Found link https://files.pythonhosted.org/packages/47/6b/78d693919f14438cea61ecf1ff20cbfaace33f41c95618fd9a848aa2a844/dataclasses-0.5.tar.gz#sha256=3f20420c953ecf4c4df68f3aaee48dea69a87935aaeceffce1176b5366b08f1e (from https://pypi.org/simple/dataclasses/), version: 0.5
2019-10-20T18:05:27     Found link https://files.pythonhosted.org/packages/26/2f/1095cdc2868052dd1e64520f7c0d5c8c550ad297e944e641dbf1ffbb9a5d/dataclasses-0.6-py3-none-any.whl#sha256=454a69d788c7fda44efd71e259be79577822f5e3f53f029a22d08004e951dc9f (from https://pypi.org/simple/dataclasses/), version: 0.6
2019-10-20T18:05:27     Found link https://files.pythonhosted.org/packages/59/e4/2f921edfdf1493bdc07b914cbea43bc334996df4841a34523baf73d1fb4f/dataclasses-0.6.tar.gz#sha256=6988bd2b895eef432d562370bb707d540f32f7360ab13da45340101bc2307d84 (from https://pypi.org/simple/dataclasses/), version: 0.6
2019-10-20T18:05:27     The package https://files.pythonhosted.org/packages/e1/d2/6f02df2616fd4016075f60157c7a0452b38d8f7938ae94343911e0fb0b09/dataclasses-0.7-py3-none-any.whl#sha256=3459118f7ede7c8bea0fe795bff7c6c2ce287d01dd226202f7c9ebc0610a7836 (from https://pypi.org/simple/dataclasses/) (requires-python:>=3.6, <3.7) is incompatible with the python version in use. Acceptable python versions are: >=3.6, <3.7
2019-10-20T18:05:28     The package https://files.pythonhosted.org/packages/7a/71/fdbab71f1f714e03ead2d264bf444f88379bc09b2937d54ec83894057f80/dataclasses-0.7.tar.gz#sha256=494a6dcae3b8bcf80848eea2ef64c0cc5cd307ffc263e17cdf42f3e5420808e6 (from https://pypi.org/simple/dataclasses/) (requires-python:>=3.6, <3.7) is incompatible with the python version in use. Acceptable python versions are: >=3.6, <3.7
2019-10-20T18:05:28   ERROR: Could not find a version that satisfies the requirement dataclasses==0.7 (from versions: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6)
2019-10-20T18:05:28 Cleaning up...
2019-10-20T18:05:28 Removed build tracker '/tmp/pip-req-tracker-he98kcdz'
2019-10-20T18:05:28 ERROR: No matching distribution found for dataclasses==0.7
2019-10-20T18:05:28 Exception information:
2019-10-20T18:05:28 Traceback (most recent call last):
2019-10-20T18:05:28   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-10-20T18:05:28     status = self.run(options, args)
2019-10-20T18:05:28   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-10-20T18:05:28     resolver.resolve(requirement_set)
2019-10-20T18:05:28   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-10-20T18:05:28     self._resolve_one(requirement_set, req)
2019-10-20T18:05:28   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-10-20T18:05:28     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-10-20T18:05:28   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-10-20T18:05:28     self.require_hashes
2019-10-20T18:05:28   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 282, in prepare_linked_requirement
2019-10-20T18:05:28     req.populate_link(finder, upgrade_allowed, require_hashes)
2019-10-20T18:05:28   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 198, in populate_link
2019-10-20T18:05:28     self.link = finder.find_requirement(self, upgrade)
2019-10-20T18:05:28   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/index.py", line 792, in find_requirement
2019-10-20T18:05:28     'No matching distribution found for %s' % req
2019-10-20T18:05:28 pip._internal.exceptions.DistributionNotFound: No matching distribution found for dataclasses==0.7