code: def test_valid_scipy_version():
      # Verify that the scipy version is a valid one (no .post suffix or other
      # nonsense).  See numpy issue gh-6431 for an issue caused by an invalid
      # version.
      version_pattern = (
          r"^[0-9]+\.[0-9]+\.[0-9]+(|a[0-9]|b[0-9]|rc[0-9])"
      )
      dev_suffix = r"(\.dev0\+([0-9a-f]{7}|Unknown))"
      if scipy.version.release:
          res = re.match(version_pattern, scipy.__version__)
      else:
          res = re.match(
              version_pattern + dev_suffix, scipy.__version__
          )
  
      assert_(res is not None, scipy.__version__)
  
imports: from __future__ import division, absolute_import, print_function
  import re
  import scipy
  from numpy.testing import assert_
label_desc: Use image node_id 1 for calling a global function with example usage: test_valid_scipy_version() without return types