2019-06-28T01:19:05 Created temporary directory: /tmp/pip-ephem-wheel-cache-in5_h7ud
2019-06-28T01:19:05 Created temporary directory: /tmp/pip-req-tracker-3x1to4nw
2019-06-28T01:19:05 Created requirements tracker '/tmp/pip-req-tracker-3x1to4nw'
2019-06-28T01:19:05 Created temporary directory: /tmp/pip-wheel-cwqq7b9y
2019-06-28T01:19:05 Collecting dark==0.4.1
2019-06-28T01:19:05   1 location(s) to search for versions of dark:
2019-06-28T01:19:05   * https://pypi.org/simple/dark/
2019-06-28T01:19:05   Getting page https://pypi.org/simple/dark/
2019-06-28T01:19:05   Analyzing links from page https://pypi.org/simple/dark/
2019-06-28T01:19:05     Found link https://files.pythonhosted.org/packages/d0/79/a11034bc9e335c6d0bd1abe79c511be10b5884f4a57f76a00140d74f5dd2/dark-0.4.0.tar.gz#sha256=2c35639a497f9d3375038141c41005e01c60046243df7c11f61eb9ee5f86fd92 (from https://pypi.org/simple/dark/), version: 0.4.0
2019-06-28T01:19:05     Found link https://files.pythonhosted.org/packages/f4/d2/0f2e019f4d013a20905b390aa9cb79fd61fb30e5ec4ad5f9fb9b3c1cb9a4/dark-0.4.1.tar.gz#sha256=e931fca12fdabf8cea146fe6572b8e9fb05789d88b95d30ba33315f9b39b92e8 (from https://pypi.org/simple/dark/), version: 0.4.1
2019-06-28T01:19:05     Found link https://files.pythonhosted.org/packages/1c/b3/aeb5279213f77b98c1b8f32291654b9e803fad24938631a98d07c6f0c299/dark-0.5.0.tar.gz#sha256=57b06cc3868769c5f4ad34160286324b74012455a0052cf2a853f51294729a6f (from https://pypi.org/simple/dark/), version: 0.5.0
2019-06-28T01:19:05     Found link https://files.pythonhosted.org/packages/c3/fb/8d018e47754feb458b661a3b209b6fdd2496295bb0f5afc0ed0761dad64c/dark-0.7.0.tar.gz#sha256=dc4d9c7f8635b5b3da3f05c92ad2cdc743aab6079fec9d407787cbdba030b1f4 (from https://pypi.org/simple/dark/), version: 0.7.0
2019-06-28T01:19:05     Found link https://files.pythonhosted.org/packages/24/23/3dac7f19caf3c9ab30cebfeef9518a5b28d33173380450d619f16ad826be/dark-0.7.1.tar.gz#sha256=70917a9311088dcb2f71ca1cf758d5d66641aad9dcebba9eeff7f21c09fd0440 (from https://pypi.org/simple/dark/), version: 0.7.1
2019-06-28T01:19:05   Using version 0.4.1 (newest of versions: 0.4.1)
2019-06-28T01:19:05   Created temporary directory: /tmp/pip-unpack-5uzzz5rh
2019-06-28T01:19:05   Downloading https://files.pythonhosted.org/packages/f4/d2/0f2e019f4d013a20905b390aa9cb79fd61fb30e5ec4ad5f9fb9b3c1cb9a4/dark-0.4.1.tar.gz
2019-06-28T01:19:05   Downloading from URL https://files.pythonhosted.org/packages/f4/d2/0f2e019f4d013a20905b390aa9cb79fd61fb30e5ec4ad5f9fb9b3c1cb9a4/dark-0.4.1.tar.gz#sha256=e931fca12fdabf8cea146fe6572b8e9fb05789d88b95d30ba33315f9b39b92e8 (from https://pypi.org/simple/dark/)
2019-06-28T01:19:05   Added dark==0.4.1 from https://files.pythonhosted.org/packages/f4/d2/0f2e019f4d013a20905b390aa9cb79fd61fb30e5ec4ad5f9fb9b3c1cb9a4/dark-0.4.1.tar.gz#sha256=e931fca12fdabf8cea146fe6572b8e9fb05789d88b95d30ba33315f9b39b92e8 to build tracker '/tmp/pip-req-tracker-3x1to4nw'
2019-06-28T01:19:05     Running setup.py (path:/tmp/pip-wheel-cwqq7b9y/dark/setup.py) egg_info for package dark
2019-06-28T01:19:05     Running command python setup.py egg_info
2019-06-28T01:19:06     Traceback (most recent call last):
2019-06-28T01:19:06       File "<string>", line 1, in <module>
2019-06-28T01:19:06       File "/tmp/pip-wheel-cwqq7b9y/dark/setup.py", line 18, in <module>
2019-06-28T01:19:06         from _version import version
2019-06-28T01:19:06     ModuleNotFoundError: No module named '_version'
2019-06-28T01:19:07 Cleaning up...
2019-06-28T01:19:07   Removing source in /tmp/pip-wheel-cwqq7b9y/dark
2019-06-28T01:19:07 Removed dark==0.4.1 from https://files.pythonhosted.org/packages/f4/d2/0f2e019f4d013a20905b390aa9cb79fd61fb30e5ec4ad5f9fb9b3c1cb9a4/dark-0.4.1.tar.gz#sha256=e931fca12fdabf8cea146fe6572b8e9fb05789d88b95d30ba33315f9b39b92e8 from build tracker '/tmp/pip-req-tracker-3x1to4nw'
2019-06-28T01:19:07 Removed build tracker '/tmp/pip-req-tracker-3x1to4nw'
2019-06-28T01:19:07 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-cwqq7b9y/dark/
2019-06-28T01:19:07 Exception information:
2019-06-28T01:19:07 Traceback (most recent call last):
2019-06-28T01:19:07   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-06-28T01:19:07     status = self.run(options, args)
2019-06-28T01:19:07   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-06-28T01:19:07     resolver.resolve(requirement_set)
2019-06-28T01:19:07   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-06-28T01:19:07     self._resolve_one(requirement_set, req)
2019-06-28T01:19:07   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-06-28T01:19:07     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-06-28T01:19:07   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-06-28T01:19:07     self.require_hashes
2019-06-28T01:19:07   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-06-28T01:19:07     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-06-28T01:19:07   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-06-28T01:19:07     self.req.prepare_metadata()
2019-06-28T01:19:07   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-06-28T01:19:07     self.run_egg_info()
2019-06-28T01:19:07   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-06-28T01:19:07     command_desc='python setup.py egg_info')
2019-06-28T01:19:07   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-06-28T01:19:07     % (command_desc, proc.returncode, cwd))
2019-06-28T01:19:07 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-cwqq7b9y/dark/