2019-06-28T16:29:38 Created temporary directory: /tmp/pip-ephem-wheel-cache-_zncqgh9
2019-06-28T16:29:38 Created temporary directory: /tmp/pip-req-tracker-1joh9i3d
2019-06-28T16:29:38 Created requirements tracker '/tmp/pip-req-tracker-1joh9i3d'
2019-06-28T16:29:38 Created temporary directory: /tmp/pip-wheel-1hwlokkz
2019-06-28T16:29:38 Collecting towbar==0.1.0
2019-06-28T16:29:38   1 location(s) to search for versions of towbar:
2019-06-28T16:29:38   * https://pypi.org/simple/towbar/
2019-06-28T16:29:38   Getting page https://pypi.org/simple/towbar/
2019-06-28T16:29:38   Analyzing links from page https://pypi.org/simple/towbar/
2019-06-28T16:29:38     Found link https://files.pythonhosted.org/packages/50/3e/eb47b63aaa8f2f90f9e718c94cdd6c7f66bcda54406318298371225b1d37/towbar-0.1.0.tar.gz#sha256=49c7fbdd308fc4da55824bf2dfdaa5edcf1f36770046a5083694a00a29b6e396 (from https://pypi.org/simple/towbar/), version: 0.1.0
2019-06-28T16:29:38     Found link https://files.pythonhosted.org/packages/38/03/71e02f8b784a7f7761f3e12d85cf7ac4399a958508a9c295f3cc6eef17e0/towbar-0.1.1.tar.gz#sha256=7d535f364b25418a0f673be469fa8d5bc38e8a0f1cf53399091f536a42300252 (from https://pypi.org/simple/towbar/), version: 0.1.1
2019-06-28T16:29:38     Found link https://files.pythonhosted.org/packages/b1/eb/72af680a64fe12e5f800af0c0e9e49191f556b7741621ccbf3a7d60cb5aa/towbar-0.1.2.tar.gz#sha256=68bfb37724bb677ee088e6517d5e689e8569142bcf863f41075406933d36c1be (from https://pypi.org/simple/towbar/), version: 0.1.2
2019-06-28T16:29:38   Using version 0.1.0 (newest of versions: 0.1.0)
2019-06-28T16:29:38   Created temporary directory: /tmp/pip-unpack-_s5c9mez
2019-06-28T16:29:38   Downloading https://files.pythonhosted.org/packages/50/3e/eb47b63aaa8f2f90f9e718c94cdd6c7f66bcda54406318298371225b1d37/towbar-0.1.0.tar.gz
2019-06-28T16:29:38   Downloading from URL https://files.pythonhosted.org/packages/50/3e/eb47b63aaa8f2f90f9e718c94cdd6c7f66bcda54406318298371225b1d37/towbar-0.1.0.tar.gz#sha256=49c7fbdd308fc4da55824bf2dfdaa5edcf1f36770046a5083694a00a29b6e396 (from https://pypi.org/simple/towbar/)
2019-06-28T16:29:38   Added towbar==0.1.0 from https://files.pythonhosted.org/packages/50/3e/eb47b63aaa8f2f90f9e718c94cdd6c7f66bcda54406318298371225b1d37/towbar-0.1.0.tar.gz#sha256=49c7fbdd308fc4da55824bf2dfdaa5edcf1f36770046a5083694a00a29b6e396 to build tracker '/tmp/pip-req-tracker-1joh9i3d'
2019-06-28T16:29:38     Running setup.py (path:/tmp/pip-wheel-1hwlokkz/towbar/setup.py) egg_info for package towbar
2019-06-28T16:29:38     Running command python setup.py egg_info
2019-06-28T16:29:40     Traceback (most recent call last):
2019-06-28T16:29:40       File "<string>", line 1, in <module>
2019-06-28T16:29:40       File "/tmp/pip-wheel-1hwlokkz/towbar/setup.py", line 8, in <module>
2019-06-28T16:29:40         import towbar
2019-06-28T16:29:40       File "/tmp/pip-wheel-1hwlokkz/towbar/towbar/__init__.py", line 3, in <module>
2019-06-28T16:29:40         from towbar import Towbar
2019-06-28T16:29:40     ImportError: cannot import name 'Towbar' from 'towbar' (/tmp/pip-wheel-1hwlokkz/towbar/towbar/__init__.py)
2019-06-28T16:29:40 Cleaning up...
2019-06-28T16:29:40   Removing source in /tmp/pip-wheel-1hwlokkz/towbar
2019-06-28T16:29:40 Removed towbar==0.1.0 from https://files.pythonhosted.org/packages/50/3e/eb47b63aaa8f2f90f9e718c94cdd6c7f66bcda54406318298371225b1d37/towbar-0.1.0.tar.gz#sha256=49c7fbdd308fc4da55824bf2dfdaa5edcf1f36770046a5083694a00a29b6e396 from build tracker '/tmp/pip-req-tracker-1joh9i3d'
2019-06-28T16:29:40 Removed build tracker '/tmp/pip-req-tracker-1joh9i3d'
2019-06-28T16:29:40 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-1hwlokkz/towbar/
2019-06-28T16:29:40 Exception information:
2019-06-28T16:29:40 Traceback (most recent call last):
2019-06-28T16:29:40   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-06-28T16:29:40     status = self.run(options, args)
2019-06-28T16:29:40   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-06-28T16:29:40     resolver.resolve(requirement_set)
2019-06-28T16:29:40   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-06-28T16:29:40     self._resolve_one(requirement_set, req)
2019-06-28T16:29:40   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-06-28T16:29:40     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-06-28T16:29:40   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-06-28T16:29:40     self.require_hashes
2019-06-28T16:29:40   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-06-28T16:29:40     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-06-28T16:29:40   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-06-28T16:29:40     self.req.prepare_metadata()
2019-06-28T16:29:40   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-06-28T16:29:40     self.run_egg_info()
2019-06-28T16:29:40   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-06-28T16:29:40     command_desc='python setup.py egg_info')
2019-06-28T16:29:40   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-06-28T16:29:40     % (command_desc, proc.returncode, cwd))
2019-06-28T16:29:40 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-1hwlokkz/towbar/