old_contents: #!/usr/bin/env python
  
  import os
  import rdflib
  import unittest
  import pytest
  
  try:
      from os import fork
      from os import pipe
  except ImportError:
  
      pytest.skip("No os.fork() and/or os.pipe() on this platform, skipping")
  
  
  class TestRandomSeedInFork(unittest.TestCase):
      def test_bnode_id_differs_in_fork(self):
          """Checks that os.fork()ed child processes produce a
          different sequence of BNode ids from the parent process.
          """
          r, w = os.pipe()  # these are file descriptors, not file objects
          pid = os.fork()
          if pid:
              pb1 = rdflib.term.BNode()
              os.close(w)  # use os.close() to close a file descriptor
              r = os.fdopen(r)  # turn r into a file object
              txt = r.read()
              os.waitpid(pid, 0)  # make sure the child process gets cleaned up
              r.close()
          else:
              os.close(r)
              w = os.fdopen(w, "w")
              cb = rdflib.term.BNode()
              w.write(cb)
              w.close()
              os._exit(0)
          assert txt != str(
              pb1
          ), "Parent process BNode id: " + "%s, child process BNode id: %s" % (
              txt,
              str(pb1),
          )
  
  
  if __name__ == "__main__":
      unittest.main()
  
new_contents: #!/usr/bin/env python
  
  import os
  import rdflib
  import unittest
  import pytest
  
  
  try:
      from os import fork
      from os import pipe
  except ImportError:
      pytestmark = pytest.mark.skip(
          reason="No os.fork() and/or os.pipe() on this platform, skipping"
      )
  
  
  class TestRandomSeedInFork(unittest.TestCase):
      def test_bnode_id_differs_in_fork(self):
          """Checks that os.fork()ed child processes produce a
          different sequence of BNode ids from the parent process.
          """
          r, w = os.pipe()  # these are file descriptors, not file objects
          pid = os.fork()
          if pid:
              pb1 = rdflib.term.BNode()
              os.close(w)  # use os.close() to close a file descriptor
              r = os.fdopen(r)  # turn r into a file object
              txt = r.read()
              os.waitpid(pid, 0)  # make sure the child process gets cleaned up
              r.close()
          else:
              os.close(r)
              w = os.fdopen(w, "w")
              cb = rdflib.term.BNode()
              w.write(cb)
              w.close()
              os._exit(0)
          assert txt != str(
              pb1
          ), "Parent process BNode id: " + "%s, child process BNode id: %s" % (
              txt,
              str(pb1),
          )
  
  
  if __name__ == "__main__":
      unittest.main()
  
subject: Fix skipping in test/test_issue200.py