old_contents: #!/usr/bin/env python
  # Licensed under a 3-clause BSD style license - see LICENSE.rst
  
  # NOTE: The configuration for the package, including the name, version, and
  # other information are set in the setup.cfg file.
  
  import os
  import sys
  
  from setuptools import setup
  from extension_helpers import get_extensions
  
  # First provide helpful messages if contributors try and run legacy commands
  # for tests or docs.
  
  TEST_HELP = """
  Note: running tests is no longer done using 'python setup.py test'. Instead
  you will need to run:
  
      tox -e test
  
  If you don't already have tox installed, you can install it with:
  
      pip install tox
  
  If you only want to run part of the test suite, you can also use pytest
  directly with::
  
      pip install -e .[test]
      pytest
  
  For more information, see:
  
    http://docs.astropy.org/en/latest/development/testguide.html#running-tests
  """
  
  if 'test' in sys.argv:
      print(TEST_HELP)
      sys.exit(1)
  
  DOCS_HELP = """
  Note: building the documentation is no longer done using
  'python setup.py build_docs'. Instead you will need to run:
  
      tox -e build_docs
  
  If you don't already have tox installed, you can install it with:
  
      pip install tox
  
  You can also build the documentation with Sphinx directly using::
  
      pip install -e .[docs]
      cd docs
      make html
  
  For more information, see:
  
    http://docs.astropy.org/en/latest/install.html#builddocs
  """
  
  if 'build_docs' in sys.argv or 'build_sphinx' in sys.argv:
      print(DOCS_HELP)
      sys.exit(1)
  
  VERSION_TEMPLATE = """
  # Note that we need to fall back to the hard-coded version if either
  # setuptools_scm can't be imported or setuptools_scm can't determine the
  # version, so we catch the generic 'Exception'.
  try:
      from setuptools_scm import get_version
      version = get_version(root='..', relative_to=__file__)
  except Exception:
      version = '{version}'
  """.lstrip()
  
  setup(use_scm_version={'write_to': os.path.join('photutils', 'version.py'),
                         'write_to_template': VERSION_TEMPLATE},
        ext_modules=get_extensions())
  
new_contents: #!/usr/bin/env python
  # Licensed under a 3-clause BSD style license - see LICENSE.rst
  
  # NOTE: The configuration for the package, including the name, version, and
  # other information are set in the setup.cfg file.
  
  import sys
  
  # First provide helpful messages if contributors try and run legacy commands
  # for tests or docs.
  
  TEST_HELP = """
  Note: running tests is no longer done using 'python setup.py test'. Instead
  you will need to run:
  
      tox -e test
  
  If you don't already have tox installed, you can install it with:
  
      pip install tox
  
  If you only want to run part of the test suite, you can also use pytest
  directly with::
  
      pip install -e .[test]
      pytest
  
  For more information, see:
  
    http://docs.astropy.org/en/latest/development/testguide.html#running-tests
  """
  
  if 'test' in sys.argv:
      print(TEST_HELP)
      sys.exit(1)
  
  DOCS_HELP = """
  Note: building the documentation is no longer done using
  'python setup.py build_docs'. Instead you will need to run:
  
      tox -e build_docs
  
  If you don't already have tox installed, you can install it with:
  
      pip install tox
  
  You can also build the documentation with Sphinx directly using::
  
      pip install -e .[docs]
      cd docs
      make html
  
  For more information, see:
  
    http://docs.astropy.org/en/latest/install.html#builddocs
  """
  
  if 'build_docs' in sys.argv or 'build_sphinx' in sys.argv:
      print(DOCS_HELP)
      sys.exit(1)
  
  VERSION_TEMPLATE = """
  # Note that we need to fall back to the hard-coded version if either
  # setuptools_scm can't be imported or setuptools_scm can't determine the
  # version, so we catch the generic 'Exception'.
  try:
      from setuptools_scm import get_version
      version = get_version(root='..', relative_to=__file__)
  except Exception:
      version = '{version}'
  """.lstrip()
  
  
  # Import these after the above checks to ensure they are printed even if
  # extensions_helpers is not installed
  import os  # noqa
  from setuptools import setup  # noqa
  from extension_helpers import get_extensions  # noqa
  
  setup(use_scm_version={'write_to': os.path.join('photutils', 'version.py'),
                         'write_to_template': VERSION_TEMPLATE},
        ext_modules=get_extensions())
  
subject: Move imports in setup.py