Created temporary directory: /tmp/pip-ephem-wheel-cache-q8hm2wna
Created temporary directory: /tmp/pip-req-tracker-beni56bs
Created requirements tracker '/tmp/pip-req-tracker-beni56bs'
Created temporary directory: /tmp/pip-wheel-mhv078ha
Collecting pytest-astropy-header==0.1
  1 location(s) to search for versions of pytest-astropy-header:
  * https://pypi.org/simple/pytest-astropy-header/
  Getting page https://pypi.org/simple/pytest-astropy-header/
  Analyzing links from page https://pypi.org/simple/pytest-astropy-header/
    Found link https://files.pythonhosted.org/packages/90/2e/6f5a508436e60d3f5689fb8166ff5b08258d482019cad734d595ca7558a1/pytest-astropy-header-0.1.tar.gz#sha256=a75eb13a0616ca4ab1849530a11d535e0ec433e1ac6dd9111e487f54b64d92fd (from https://pypi.org/simple/pytest-astropy-header/), version: 0.1
    Found link https://files.pythonhosted.org/packages/33/e1/95913c895bf506efb42a33eaf4ee6baa8a01daf1d06292f6072690d97c6f/pytest_astropy_header-0.1-py2.py3-none-any.whl#sha256=77593f7388e6285ab0a8eae703fa13030e757a62dc24e73d1b03b6fd66e83462 (from https://pypi.org/simple/pytest-astropy-header/), version: 0.1
  Using version 0.1 (newest of versions: 0.1)
  Created temporary directory: /tmp/pip-unpack-e4j0_81w
  Downloading https://files.pythonhosted.org/packages/33/e1/95913c895bf506efb42a33eaf4ee6baa8a01daf1d06292f6072690d97c6f/pytest_astropy_header-0.1-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/33/e1/95913c895bf506efb42a33eaf4ee6baa8a01daf1d06292f6072690d97c6f/pytest_astropy_header-0.1-py2.py3-none-any.whl#sha256=77593f7388e6285ab0a8eae703fa13030e757a62dc24e73d1b03b6fd66e83462 (from https://pypi.org/simple/pytest-astropy-header/)
  Saved /tmp/tmpnexnqgsz/pytest_astropy_header-0.1-py2.py3-none-any.whl
  Added pytest-astropy-header==0.1 from https://files.pythonhosted.org/packages/33/e1/95913c895bf506efb42a33eaf4ee6baa8a01daf1d06292f6072690d97c6f/pytest_astropy_header-0.1-py2.py3-none-any.whl#sha256=77593f7388e6285ab0a8eae703fa13030e757a62dc24e73d1b03b6fd66e83462 to build tracker '/tmp/pip-req-tracker-beni56bs'
  Removed pytest-astropy-header==0.1 from https://files.pythonhosted.org/packages/33/e1/95913c895bf506efb42a33eaf4ee6baa8a01daf1d06292f6072690d97c6f/pytest_astropy_header-0.1-py2.py3-none-any.whl#sha256=77593f7388e6285ab0a8eae703fa13030e757a62dc24e73d1b03b6fd66e83462 from build tracker '/tmp/pip-req-tracker-beni56bs'
Skipping pytest-astropy-header, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-mhv078ha/pytest-astropy-header
Removed build tracker '/tmp/pip-req-tracker-beni56bs'