2019-06-28T14:47:17 Created temporary directory: /tmp/pip-ephem-wheel-cache-cyb3r53a
2019-06-28T14:47:17 Created temporary directory: /tmp/pip-req-tracker-30yldqfy
2019-06-28T14:47:17 Created requirements tracker '/tmp/pip-req-tracker-30yldqfy'
2019-06-28T14:47:17 Created temporary directory: /tmp/pip-wheel-97r1_h4z
2019-06-28T14:47:17 Collecting pyexpression==0.1.0
2019-06-28T14:47:17   1 location(s) to search for versions of pyexpression:
2019-06-28T14:47:17   * https://pypi.org/simple/pyexpression/
2019-06-28T14:47:17   Getting page https://pypi.org/simple/pyexpression/
2019-06-28T14:47:17   Analyzing links from page https://pypi.org/simple/pyexpression/
2019-06-28T14:47:17     Found link https://files.pythonhosted.org/packages/1c/49/d2cf2b2725544e80b8a821047d2e0ede01a581552f3cb6fe5e7fb5cc8025/pyexpression-0.1.0.tar.gz#sha256=dfeba05e5ec4f019937c5dfe892dbe2ffb6e4b10153fcf11f72c5355a017f89a (from https://pypi.org/simple/pyexpression/), version: 0.1.0
2019-06-28T14:47:17   Using version 0.1.0 (newest of versions: 0.1.0)
2019-06-28T14:47:17   Created temporary directory: /tmp/pip-unpack-_c2o26gg
2019-06-28T14:47:18   Downloading https://files.pythonhosted.org/packages/1c/49/d2cf2b2725544e80b8a821047d2e0ede01a581552f3cb6fe5e7fb5cc8025/pyexpression-0.1.0.tar.gz
2019-06-28T14:47:18   Downloading from URL https://files.pythonhosted.org/packages/1c/49/d2cf2b2725544e80b8a821047d2e0ede01a581552f3cb6fe5e7fb5cc8025/pyexpression-0.1.0.tar.gz#sha256=dfeba05e5ec4f019937c5dfe892dbe2ffb6e4b10153fcf11f72c5355a017f89a (from https://pypi.org/simple/pyexpression/)
2019-06-28T14:47:18   Added pyexpression==0.1.0 from https://files.pythonhosted.org/packages/1c/49/d2cf2b2725544e80b8a821047d2e0ede01a581552f3cb6fe5e7fb5cc8025/pyexpression-0.1.0.tar.gz#sha256=dfeba05e5ec4f019937c5dfe892dbe2ffb6e4b10153fcf11f72c5355a017f89a to build tracker '/tmp/pip-req-tracker-30yldqfy'
2019-06-28T14:47:18     Running setup.py (path:/tmp/pip-wheel-97r1_h4z/pyexpression/setup.py) egg_info for package pyexpression
2019-06-28T14:47:18     Running command python setup.py egg_info
2019-06-28T14:47:19     Traceback (most recent call last):
2019-06-28T14:47:19       File "<string>", line 1, in <module>
2019-06-28T14:47:19       File "/tmp/pip-wheel-97r1_h4z/pyexpression/setup.py", line 4, in <module>
2019-06-28T14:47:19         from pyexpression import __version__, __author__, __doc__, __license__
2019-06-28T14:47:19       File "/tmp/pip-wheel-97r1_h4z/pyexpression/pyexpression/__init__.py", line 41
2019-06-28T14:47:19         exec '_{0} = expressions.Placeholder({1})'.format(i+1, i) in globals()
2019-06-28T14:47:19                                                  ^
2019-06-28T14:47:19     SyntaxError: invalid syntax
2019-06-28T14:47:19 Cleaning up...
2019-06-28T14:47:19   Removing source in /tmp/pip-wheel-97r1_h4z/pyexpression
2019-06-28T14:47:19 Removed pyexpression==0.1.0 from https://files.pythonhosted.org/packages/1c/49/d2cf2b2725544e80b8a821047d2e0ede01a581552f3cb6fe5e7fb5cc8025/pyexpression-0.1.0.tar.gz#sha256=dfeba05e5ec4f019937c5dfe892dbe2ffb6e4b10153fcf11f72c5355a017f89a from build tracker '/tmp/pip-req-tracker-30yldqfy'
2019-06-28T14:47:19 Removed build tracker '/tmp/pip-req-tracker-30yldqfy'
2019-06-28T14:47:19 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-97r1_h4z/pyexpression/
2019-06-28T14:47:19 Exception information:
2019-06-28T14:47:19 Traceback (most recent call last):
2019-06-28T14:47:19   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-06-28T14:47:19     status = self.run(options, args)
2019-06-28T14:47:19   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-06-28T14:47:19     resolver.resolve(requirement_set)
2019-06-28T14:47:19   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-06-28T14:47:19     self._resolve_one(requirement_set, req)
2019-06-28T14:47:19   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-06-28T14:47:19     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-06-28T14:47:19   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-06-28T14:47:19     self.require_hashes
2019-06-28T14:47:19   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-06-28T14:47:19     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-06-28T14:47:19   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-06-28T14:47:19     self.req.prepare_metadata()
2019-06-28T14:47:19   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-06-28T14:47:19     self.run_egg_info()
2019-06-28T14:47:19   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-06-28T14:47:19     command_desc='python setup.py egg_info')
2019-06-28T14:47:19   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-06-28T14:47:19     % (command_desc, proc.returncode, cwd))
2019-06-28T14:47:19 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-97r1_h4z/pyexpression/