old_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  import os
  from distutils.version import LooseVersion
  # this contains imports plugins that configure py.test for astropy tests.
  # by importing them here in conftest.py they are discoverable by py.test
  # no matter how it is invoked within the source tree.
  
  from astropy.version import version as astropy_version
  
  if LooseVersion(astropy_version) < LooseVersion('2.0.3'):
      # Astropy is not compatible with the standalone plugins prior this while
      # astroquery requires them, so we need this workaround. This will mess
      # up the test header, but everything else will work.
      from astropy.tests.pytest_plugins import (PYTEST_HEADER_MODULES,
                                                TESTED_VERSIONS)
  elif astropy_version < '3.0':
      # With older versions of Astropy, we actually need to import the pytest
      # plugins themselves in order to make them discoverable by pytest.
      from astropy.tests.pytest_plugins import *
  else:
      # As of Astropy 3.0, the pytest plugins provided by Astropy are
      # automatically made available when Astropy is installed. This means it's
      # not necessary to import them here, but we still need to import global
      # variables that are used for configuration.
      from astropy.tests.plugins.display import (PYTEST_HEADER_MODULES,
                                                 TESTED_VERSIONS)
      try:
          # The astropy test runner sets up the header automatically,
          # we should import it only when runnig pytest directly.
          _ASTROPY_TEST_
      except NameError:
          from astropy.tests.plugins.display import pytest_report_header
  
  from astropy.tests.helper import enable_deprecations_as_exceptions
  
  # Add astropy to test header information and remove unused packages.
  # Pytest header customisation was introduced in astropy 1.0.
  
  try:
      PYTEST_HEADER_MODULES['Astropy'] = 'astropy'
      PYTEST_HEADER_MODULES['APLpy'] = 'aplpy'
      PYTEST_HEADER_MODULES['pyregion'] = 'pyregion'
      PYTEST_HEADER_MODULES['pyVO'] = 'pyvo'
      # keyring doesn't provide __version__ any more
      # PYTEST_HEADER_MODULES['keyring'] = 'keyring'
      del PYTEST_HEADER_MODULES['h5py']
      del PYTEST_HEADER_MODULES['Scipy']
      del PYTEST_HEADER_MODULES['Pandas']
  except (NameError, KeyError):
      pass
  
  # ignoring pyvo can be removed once we require >0.9.3
  enable_deprecations_as_exceptions(include_astropy_deprecations=False,
                                    warnings_to_ignore_entire_module=['pyregion'],
                                    modules_to_ignore_on_import=['pyvo'])
  
  # add '_testrun' to the version name so that the user-agent indicates that
  # it's being run in a test
  from . import version
  version.version += '_testrun'
  
  
  # This is to figure out the affiliated package version, rather than
  # using Astropy's
  from .version import version, astropy_helpers_version
  
  
  packagename = os.path.basename(os.path.dirname(__file__))
  TESTED_VERSIONS[packagename] = version
  TESTED_VERSIONS['astropy_helpers'] = astropy_helpers_version
  
new_contents: # Licensed under a 3-clause BSD style license - see LICENSE.rst
  import os
  # this contains imports plugins that configure py.test for astropy tests.
  # by importing them here in conftest.py they are discoverable by py.test
  # no matter how it is invoked within the source tree.
  
  from pytest_astropy_header.display import (PYTEST_HEADER_MODULES,
                                             TESTED_VERSIONS)
  
  from astropy.tests.helper import enable_deprecations_as_exceptions
  
  
  def pytest_configure(config):
      config.option.astropy_header = True
  
  
  # Add astropy to test header information and remove unused packages.
  # Pytest header customisation was introduced in astropy 1.0.
  
  try:
      PYTEST_HEADER_MODULES['Astropy'] = 'astropy'
      PYTEST_HEADER_MODULES['APLpy'] = 'aplpy'
      PYTEST_HEADER_MODULES['pyregion'] = 'pyregion'
      PYTEST_HEADER_MODULES['pyVO'] = 'pyvo'
      # keyring doesn't provide __version__ any more
      # PYTEST_HEADER_MODULES['keyring'] = 'keyring'
      del PYTEST_HEADER_MODULES['h5py']
      del PYTEST_HEADER_MODULES['Scipy']
      del PYTEST_HEADER_MODULES['Pandas']
  except (NameError, KeyError):
      pass
  
  # ignoring pyvo can be removed once we require >0.9.3
  enable_deprecations_as_exceptions(include_astropy_deprecations=False,
                                    warnings_to_ignore_entire_module=['pyregion'],
                                    modules_to_ignore_on_import=['pyvo'])
  
  # add '_testrun' to the version name so that the user-agent indicates that
  # it's being run in a test
  from . import version
  version.version += '_testrun'
  
  
  # This is to figure out the affiliated package version, rather than
  # using Astropy's
  from .version import version, astropy_helpers_version
  
  
  packagename = os.path.basename(os.path.dirname(__file__))
  TESTED_VERSIONS[packagename] = version
  TESTED_VERSIONS['astropy_helpers'] = astropy_helpers_version
  
subject: Fix pytest headers