2019-06-30T07:09:20 Created temporary directory: /tmp/pip-ephem-wheel-cache-9kjw6s0x
2019-06-30T07:09:20 Created temporary directory: /tmp/pip-req-tracker-mq1ywv06
2019-06-30T07:09:20 Created requirements tracker '/tmp/pip-req-tracker-mq1ywv06'
2019-06-30T07:09:20 Created temporary directory: /tmp/pip-wheel-rp9844l7
2019-06-30T07:09:20 Collecting hkdf==0.0.1
2019-06-30T07:09:20   1 location(s) to search for versions of hkdf:
2019-06-30T07:09:20   * https://pypi.org/simple/hkdf/
2019-06-30T07:09:20   Getting page https://pypi.org/simple/hkdf/
2019-06-30T07:09:20   Analyzing links from page https://pypi.org/simple/hkdf/
2019-06-30T07:09:20     Found link https://files.pythonhosted.org/packages/09/a1/5fc5b368c257102ca94672e4eb05a5d4babc156fc30d49046577dbaf1edc/hkdf-0.0.1.tar.gz#sha256=4a8d7c7b18e86af65c8f8c2bf35f957fc43f55f535629e8e294e091dbd672833 (from https://pypi.org/simple/hkdf/), version: 0.0.1
2019-06-30T07:09:20     Found link https://files.pythonhosted.org/packages/89/c6/963717a6fac2e85a2ca2491ac1824c9598243f96ab1eec005b78622230c7/hkdf-0.0.2.tar.gz#sha256=85e38067e4498caa3b3365990ed00977e831ed43d1d7fff69aa9a78b4d98bbe0 (from https://pypi.org/simple/hkdf/), version: 0.0.2
2019-06-30T07:09:20     Found link https://files.pythonhosted.org/packages/c3/be/327e072850db181ce56afd51e26ec7aa5659b18466c709fa5ea2548c935f/hkdf-0.0.3.tar.gz#sha256=622a31c634bc185581530a4b44ffb731ed208acf4614f9c795bdd70e77991dca (from https://pypi.org/simple/hkdf/), version: 0.0.3
2019-06-30T07:09:20   Using version 0.0.1 (newest of versions: 0.0.1)
2019-06-30T07:09:20   Created temporary directory: /tmp/pip-unpack-7qcwlc53
2019-06-30T07:09:20   Downloading https://files.pythonhosted.org/packages/09/a1/5fc5b368c257102ca94672e4eb05a5d4babc156fc30d49046577dbaf1edc/hkdf-0.0.1.tar.gz
2019-06-30T07:09:20   Downloading from URL https://files.pythonhosted.org/packages/09/a1/5fc5b368c257102ca94672e4eb05a5d4babc156fc30d49046577dbaf1edc/hkdf-0.0.1.tar.gz#sha256=4a8d7c7b18e86af65c8f8c2bf35f957fc43f55f535629e8e294e091dbd672833 (from https://pypi.org/simple/hkdf/)
2019-06-30T07:09:20   Added hkdf==0.0.1 from https://files.pythonhosted.org/packages/09/a1/5fc5b368c257102ca94672e4eb05a5d4babc156fc30d49046577dbaf1edc/hkdf-0.0.1.tar.gz#sha256=4a8d7c7b18e86af65c8f8c2bf35f957fc43f55f535629e8e294e091dbd672833 to build tracker '/tmp/pip-req-tracker-mq1ywv06'
2019-06-30T07:09:20     Running setup.py (path:/tmp/pip-wheel-rp9844l7/hkdf/setup.py) egg_info for package hkdf
2019-06-30T07:09:20     Running command python setup.py egg_info
2019-06-30T07:09:22     Traceback (most recent call last):
2019-06-30T07:09:22       File "<string>", line 1, in <module>
2019-06-30T07:09:22       File "/tmp/pip-wheel-rp9844l7/hkdf/setup.py", line 11
2019-06-30T07:09:22         print "Warning, unable to load README.rst into long_description."
2019-06-30T07:09:22                                                                         ^
2019-06-30T07:09:22     SyntaxError: Missing parentheses in call to 'print'. Did you mean print("Warning, unable to load README.rst into long_description.")?
2019-06-30T07:09:22 Cleaning up...
2019-06-30T07:09:22   Removing source in /tmp/pip-wheel-rp9844l7/hkdf
2019-06-30T07:09:22 Removed hkdf==0.0.1 from https://files.pythonhosted.org/packages/09/a1/5fc5b368c257102ca94672e4eb05a5d4babc156fc30d49046577dbaf1edc/hkdf-0.0.1.tar.gz#sha256=4a8d7c7b18e86af65c8f8c2bf35f957fc43f55f535629e8e294e091dbd672833 from build tracker '/tmp/pip-req-tracker-mq1ywv06'
2019-06-30T07:09:22 Removed build tracker '/tmp/pip-req-tracker-mq1ywv06'
2019-06-30T07:09:22 ERROR: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-rp9844l7/hkdf/
2019-06-30T07:09:22 Exception information:
2019-06-30T07:09:22 Traceback (most recent call last):
2019-06-30T07:09:22   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-06-30T07:09:22     status = self.run(options, args)
2019-06-30T07:09:22   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 164, in run
2019-06-30T07:09:22     resolver.resolve(requirement_set)
2019-06-30T07:09:22   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 131, in resolve
2019-06-30T07:09:22     self._resolve_one(requirement_set, req)
2019-06-30T07:09:22   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 294, in _resolve_one
2019-06-30T07:09:22     abstract_dist = self._get_abstract_dist_for(req_to_install)
2019-06-30T07:09:22   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolve.py", line 242, in _get_abstract_dist_for
2019-06-30T07:09:22     self.require_hashes
2019-06-30T07:09:22   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 362, in prepare_linked_requirement
2019-06-30T07:09:22     abstract_dist.prep_for_dist(finder, self.build_isolation)
2019-06-30T07:09:22   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/operations/prepare.py", line 171, in prep_for_dist
2019-06-30T07:09:22     self.req.prepare_metadata()
2019-06-30T07:09:22   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 537, in prepare_metadata
2019-06-30T07:09:22     self.run_egg_info()
2019-06-30T07:09:22   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/req/req_install.py", line 615, in run_egg_info
2019-06-30T07:09:22     command_desc='python setup.py egg_info')
2019-06-30T07:09:22   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
2019-06-30T07:09:22     % (command_desc, proc.returncode, cwd))
2019-06-30T07:09:22 pip._internal.exceptions.InstallationError: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-wheel-rp9844l7/hkdf/