--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/env/lib/python3.7/site-packages/isodate/tests/test_pickle.py	Sat May 02 07:14:21 2020 -0400
@@ -0,0 +1,63 @@
+import unittest
+
+from six.moves import cPickle as pickle
+
+import isodate
+
+
+class TestPickle(unittest.TestCase):
+    '''
+    A test case template to parse an ISO datetime string into a
+    datetime object.
+    '''
+
+    def test_pickle_datetime(self):
+        '''
+        Parse an ISO datetime string and compare it to the expected value.
+        '''
+        dti = isodate.parse_datetime('2012-10-26T09:33+00:00')
+        for proto in range(0, pickle.HIGHEST_PROTOCOL + 1):
+            pikl = pickle.dumps(dti, proto)
+            self.assertEqual(dti, pickle.loads(pikl),
+                             "pickle proto %d failed" % proto)
+
+    def test_pickle_duration(self):
+        '''
+        Pickle / unpickle duration objects.
+        '''
+        from isodate.duration import Duration
+        dur = Duration()
+        failed = []
+        for proto in range(0, pickle.HIGHEST_PROTOCOL + 1):
+            try:
+                pikl = pickle.dumps(dur, proto)
+                if dur != pickle.loads(pikl):
+                    raise Exception("not equal")
+            except Exception as e:
+                failed.append("pickle proto %d failed (%s)" % (proto, repr(e)))
+        self.assertEqual(len(failed), 0, "pickle protos failed: %s" %
+                         str(failed))
+
+    def test_pickle_utc(self):
+        '''
+        isodate.UTC objects remain the same after pickling.
+        '''
+        self.assertTrue(isodate.UTC is pickle.loads(pickle.dumps(isodate.UTC)))
+
+
+def test_suite():
+    '''
+    Construct a TestSuite instance for all test cases.
+    '''
+    suite = unittest.TestSuite()
+    suite.addTest(unittest.TestLoader().loadTestsFromTestCase(TestPickle))
+    return suite
+
+
+# load_tests Protocol
+def load_tests(loader, tests, pattern):
+    return test_suite()
+
+
+if __name__ == '__main__':
+    unittest.main(defaultTest='test_suite')