2019-06-28T16:29:46 Created temporary directory: /tmp/pip-ephem-wheel-cache-gzvnq2oe
2019-06-28T16:29:46 Created temporary directory: /tmp/pip-req-tracker-r4gh3jzb
2019-06-28T16:29:46 Created requirements tracker '/tmp/pip-req-tracker-r4gh3jzb'
2019-06-28T16:29:46 Created temporary directory: /tmp/pip-wheel-5fgio3tb
2019-06-28T16:29:46 Collecting towbar==0.1.1
2019-06-28T16:29:46   1 location(s) to search for versions of towbar:
2019-06-28T16:29:46   * https://pypi.org/simple/towbar/
2019-06-28T16:29:46   Getting page https://pypi.org/simple/towbar/
2019-06-28T16:29:46   Analyzing links from page https://pypi.org/simple/towbar/
2019-06-28T16:29:46     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
2019-06-28T16:29:46     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
2019-06-28T16:29:46     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
2019-06-28T16:29:46   Using version 0.1.1 (newest of versions: 0.1.1)
2019-06-28T16:29:46   Created temporary directory: /tmp/pip-unpack-og8eeyl9
2019-06-28T16:29:46   Downloading https://files.pythonhosted.org/packages/38/03/71e02f8b784a7f7761f3e12d85cf7ac4399a958508a9c295f3cc6eef17e0/towbar-0.1.1.tar.gz
2019-06-28T16:29:46   Downloading from URL https://files.pythonhosted.org/packages/38/03/71e02f8b784a7f7761f3e12d85cf7ac4399a958508a9c295f3cc6eef17e0/towbar-0.1.1.tar.gz#sha256=7d535f364b25418a0f673be469fa8d5bc38e8a0f1cf53399091f536a42300252 (from https://pypi.org/simple/towbar/)
2019-06-28T16:29:46   Added towbar==0.1.1 from https://files.pythonhosted.org/packages/38/03/71e02f8b784a7f7761f3e12d85cf7ac4399a958508a9c295f3cc6eef17e0/towbar-0.1.1.tar.gz#sha256=7d535f364b25418a0f673be469fa8d5bc38e8a0f1cf53399091f536a42300252 to build tracker '/tmp/pip-req-tracker-r4gh3jzb'
2019-06-28T16:29:46     Running setup.py (path:/tmp/pip-wheel-5fgio3tb/towbar/setup.py) egg_info for package towbar
2019-06-28T16:29:46     Running command python setup.py egg_info
2019-06-28T16:29:48     Traceback (most recent call last):
2019-06-28T16:29:48       File "<string>", line 1, in <module>
2019-06-28T16:29:48       File "/tmp/pip-wheel-5fgio3tb/towbar/setup.py", line 8, in <module>
2019-06-28T16:29:48         import towbar
2019-06-28T16:29:48       File "/tmp/pip-wheel-5fgio3tb/towbar/towbar/__init__.py", line 3, in <module>
2019-06-28T16:29:48         from towbar import Towbar
2019-06-28T16:29:48     ImportError: cannot import name 'Towbar' from 'towbar' (/tmp/pip-wheel-5fgio3tb/towbar/towbar/__init__.py)
2019-06-28T16:29:48 Cleaning up...
2019-06-28T16:29:48   Removing source in /tmp/pip-wheel-5fgio3tb/towbar
2019-06-28T16:29:49 Removed towbar==0.1.1 from https://files.pythonhosted.org/packages/38/03/71e02f8b784a7f7761f3e12d85cf7ac4399a958508a9c295f3cc6eef17e0/towbar-0.1.1.tar.gz#sha256=7d535f364b25418a0f673be469fa8d5bc38e8a0f1cf53399091f536a42300252 from build tracker '/tmp/pip-req-tracker-r4gh3jzb'
2019-06-28T16:29:49 Removed build tracker '/tmp/pip-req-tracker-r4gh3jzb'
2019-06-28T16:29:49 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-5fgio3tb/towbar/
2019-06-28T16:29:49 Exception information:
2019-06-28T16:29:49 Traceback (most recent call last):
2019-06-28T16:29:49   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-06-28T16:29:49     status = self.run(options, args)
2019-06-28T16:29:49   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-06-28T16:29:49     resolver.resolve(requirement_set)
2019-06-28T16:29:49   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-06-28T16:29:49     self._resolve_one(requirement_set, req)
2019-06-28T16:29:49   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-06-28T16:29:49     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-06-28T16:29:49   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-06-28T16:29:49     self.require_hashes
2019-06-28T16:29:49   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-06-28T16:29:49     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-06-28T16:29:49   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-06-28T16:29:49     self.req.prepare_metadata()
2019-06-28T16:29:49   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-06-28T16:29:49     self.run_egg_info()
2019-06-28T16:29:49   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-06-28T16:29:49     command_desc='python setup.py egg_info')
2019-06-28T16:29:49   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-06-28T16:29:49     % (command_desc, proc.returncode, cwd))
2019-06-28T16:29:49 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-5fgio3tb/towbar/