2019-06-26T21:18:16 Created temporary directory: /tmp/pip-ephem-wheel-cache-pqqc162l
2019-06-26T21:18:16 Created temporary directory: /tmp/pip-req-tracker-6d_is2kf
2019-06-26T21:18:16 Created requirements tracker '/tmp/pip-req-tracker-6d_is2kf'
2019-06-26T21:18:16 Created temporary directory: /tmp/pip-wheel-i3a0y4iq
2019-06-26T21:18:16 Collecting graphtool==0.5.2
2019-06-26T21:18:16   1 location(s) to search for versions of graphtool:
2019-06-26T21:18:16   * https://pypi.org/simple/graphtool/
2019-06-26T21:18:16   Getting page https://pypi.org/simple/graphtool/
2019-06-26T21:18:16   Analyzing links from page https://pypi.org/simple/graphtool/
2019-06-26T21:18:16     Skipping link https://files.pythonhosted.org/packages/b9/0b/19b6f7e20d9c7520f60cc4ebc9ce62794782ea2dafccafaa560ecaeffb30/graphtool-0.5.2-py2.4.egg#sha256=7804d49725b9677b44689f6bce3bdf1e63dd17c75847e47360296d704e4ea9fb (from https://pypi.org/simple/graphtool/); unsupported archive format: .egg
2019-06-26T21:18:16     Found link https://files.pythonhosted.org/packages/63/e9/f037a36e9529af1a0d3550e1c7804b076c4d059cbebb172ca0b0c122bd4f/graphtool-0.5.2.tar.gz#sha256=a01206c69bb7ae441704b89413c99882cb8de6a2d49a2c576ef746c3709b46ad (from https://pypi.org/simple/graphtool/), version: 0.5.2
2019-06-26T21:18:16   Using version 0.5.2 (newest of versions: 0.5.2)
2019-06-26T21:18:16   Created temporary directory: /tmp/pip-unpack-35u7_5c9
2019-06-26T21:18:16   Downloading https://files.pythonhosted.org/packages/63/e9/f037a36e9529af1a0d3550e1c7804b076c4d059cbebb172ca0b0c122bd4f/graphtool-0.5.2.tar.gz (163kB)
2019-06-26T21:18:16   Downloading from URL https://files.pythonhosted.org/packages/63/e9/f037a36e9529af1a0d3550e1c7804b076c4d059cbebb172ca0b0c122bd4f/graphtool-0.5.2.tar.gz#sha256=a01206c69bb7ae441704b89413c99882cb8de6a2d49a2c576ef746c3709b46ad (from https://pypi.org/simple/graphtool/)
2019-06-26T21:18:17   Added graphtool==0.5.2 from https://files.pythonhosted.org/packages/63/e9/f037a36e9529af1a0d3550e1c7804b076c4d059cbebb172ca0b0c122bd4f/graphtool-0.5.2.tar.gz#sha256=a01206c69bb7ae441704b89413c99882cb8de6a2d49a2c576ef746c3709b46ad to build tracker '/tmp/pip-req-tracker-6d_is2kf'
2019-06-26T21:18:17     Running setup.py (path:/tmp/pip-wheel-i3a0y4iq/graphtool/setup.py) egg_info for package graphtool
2019-06-26T21:18:17     Running command python setup.py egg_info
2019-06-26T21:18:18     Traceback (most recent call last):
2019-06-26T21:18:18       File "<string>", line 1, in <module>
2019-06-26T21:18:18       File "/tmp/pip-wheel-i3a0y4iq/graphtool/setup.py", line 3, in <module>
2019-06-26T21:18:18         import ez_setup
2019-06-26T21:18:18       File "/tmp/pip-wheel-i3a0y4iq/graphtool/ez_setup.py", line 97
2019-06-26T21:18:18         except pkg_resources.VersionConflict, e:
2019-06-26T21:18:18                                             ^
2019-06-26T21:18:18     SyntaxError: invalid syntax
2019-06-26T21:18:18 Cleaning up...
2019-06-26T21:18:18   Removing source in /tmp/pip-wheel-i3a0y4iq/graphtool
2019-06-26T21:18:18 Removed graphtool==0.5.2 from https://files.pythonhosted.org/packages/63/e9/f037a36e9529af1a0d3550e1c7804b076c4d059cbebb172ca0b0c122bd4f/graphtool-0.5.2.tar.gz#sha256=a01206c69bb7ae441704b89413c99882cb8de6a2d49a2c576ef746c3709b46ad from build tracker '/tmp/pip-req-tracker-6d_is2kf'
2019-06-26T21:18:18 Removed build tracker '/tmp/pip-req-tracker-6d_is2kf'
2019-06-26T21:18:18 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-i3a0y4iq/graphtool/
2019-06-26T21:18:18 Exception information:
2019-06-26T21:18:18 Traceback (most recent call last):
2019-06-26T21:18:18   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-06-26T21:18:18     status = self.run(options, args)
2019-06-26T21:18:18   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-06-26T21:18:18     resolver.resolve(requirement_set)
2019-06-26T21:18:18   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-06-26T21:18:18     self._resolve_one(requirement_set, req)
2019-06-26T21:18:18   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-06-26T21:18:18     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-06-26T21:18:18   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-06-26T21:18:18     self.require_hashes
2019-06-26T21:18:18   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-06-26T21:18:18     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-06-26T21:18:18   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-06-26T21:18:18     self.req.prepare_metadata()
2019-06-26T21:18:18   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-06-26T21:18:18     self.run_egg_info()
2019-06-26T21:18:18   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-06-26T21:18:18     command_desc='python setup.py egg_info')
2019-06-26T21:18:18   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-06-26T21:18:18     % (command_desc, proc.returncode, cwd))
2019-06-26T21:18:18 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-i3a0y4iq/graphtool/