--- a/env/lib/python3.7/site-packages/isodate/tests/test_duration.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,606 +0,0 @@
-##############################################################################
-# Copyright 2009, Gerhard Weis
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are met:
-#
-#  * Redistributions of source code must retain the above copyright notice,
-#    this list of conditions and the following disclaimer.
-#  * Redistributions in binary form must reproduce the above copyright notice,
-#    this list of conditions and the following disclaimer in the documentation
-#    and/or other materials provided with the distribution.
-#  * Neither the name of the authors nor the names of its contributors
-#    may be used to endorse or promote products derived from this software
-#    without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-# CONTRACT, STRICT LIABILITY, OR TORT
-##############################################################################
-'''
-Test cases for the isoduration module.
-'''
-import unittest
-import operator
-from datetime import timedelta, date, datetime
-
-from isodate import Duration, parse_duration, ISO8601Error
-from isodate import D_DEFAULT, D_WEEK, D_ALT_EXT, duration_isoformat
-
-# the following list contains tuples of ISO duration strings and the expected
-# result from the parse_duration method. A result of None means an ISO8601Error
-# is expected.
-PARSE_TEST_CASES = {'P18Y9M4DT11H9M8S': (Duration(4, 8, 0, 0, 9, 11, 0, 9, 18),
-                                         D_DEFAULT, None),
-                    'P2W': (timedelta(weeks=2), D_WEEK, None),
-                    'P3Y6M4DT12H30M5S': (Duration(4, 5, 0, 0, 30, 12, 0, 6, 3),
-                                         D_DEFAULT, None),
-                    'P23DT23H': (timedelta(hours=23, days=23),
-                                 D_DEFAULT, None),
-                    'P4Y': (Duration(years=4), D_DEFAULT, None),
-                    'P1M': (Duration(months=1), D_DEFAULT, None),
-                    'PT1M': (timedelta(minutes=1), D_DEFAULT, None),
-                    'P0.5Y': (Duration(years=0.5), D_DEFAULT, None),
-                    'PT36H': (timedelta(hours=36), D_DEFAULT, 'P1DT12H'),
-                    'P1DT12H': (timedelta(days=1, hours=12), D_DEFAULT, None),
-                    '+P11D': (timedelta(days=11), D_DEFAULT, 'P11D'),
-                    '-P2W': (timedelta(weeks=-2), D_WEEK, None),
-                    '-P2.2W': (timedelta(weeks=-2.2), D_DEFAULT,
-                               '-P15DT9H36M'),
-                    'P1DT2H3M4S': (timedelta(days=1, hours=2, minutes=3,
-                                             seconds=4), D_DEFAULT, None),
-                    'P1DT2H3M': (timedelta(days=1, hours=2, minutes=3),
-                                 D_DEFAULT, None),
-                    'P1DT2H': (timedelta(days=1, hours=2), D_DEFAULT, None),
-                    'PT2H': (timedelta(hours=2), D_DEFAULT, None),
-                    'PT2.3H': (timedelta(hours=2.3), D_DEFAULT, 'PT2H18M'),
-                    'PT2H3M4S': (timedelta(hours=2, minutes=3, seconds=4),
-                                 D_DEFAULT, None),
-                    'PT3M4S': (timedelta(minutes=3, seconds=4), D_DEFAULT,
-                               None),
-                    'PT22S': (timedelta(seconds=22), D_DEFAULT, None),
-                    'PT22.22S': (timedelta(seconds=22.22), 'PT%S.%fS',
-                                 'PT22.220000S'),
-                    '-P2Y': (Duration(years=-2), D_DEFAULT, None),
-                    '-P3Y6M4DT12H30M5S': (Duration(-4, -5, 0, 0, -30, -12, 0,
-                                                   -6, -3), D_DEFAULT, None),
-                    '-P1DT2H3M4S': (timedelta(days=-1, hours=-2, minutes=-3,
-                                              seconds=-4), D_DEFAULT, None),
-                    # alternative format
-                    'P0018-09-04T11:09:08': (Duration(4, 8, 0, 0, 9, 11, 0, 9,
-                                                      18), D_ALT_EXT, None),
-                    # 'PT000022.22': timedelta(seconds=22.22),
-                    }
-
-#                       d1                    d2           '+', '-', '>'
-# A list of test cases to test addition and subtraction between datetime and
-# Duration objects.
-# each tuple contains 2 duration strings, and a result string for addition and
-# one for subtraction. The last value says, if the first duration is greater
-# than the second.
-MATH_TEST_CASES = (('P5Y7M1DT9H45M16.72S', 'PT27M24.68S',
-                    'P5Y7M1DT10H12M41.4S', 'P5Y7M1DT9H17M52.04S', None),
-                   ('PT28M12.73S', 'PT56M29.92S',
-                    'PT1H24M42.65S', '-PT28M17.19S', False),
-                   ('P3Y7M23DT5H25M0.33S', 'PT1H1.95S',
-                    'P3Y7M23DT6H25M2.28S', 'P3Y7M23DT4H24M58.38S', None),
-                   ('PT1H1.95S', 'P3Y7M23DT5H25M0.33S',
-                    'P3Y7M23DT6H25M2.28S', '-P3Y7M23DT4H24M58.38S', None),
-                   ('P1332DT55M0.33S', 'PT1H1.95S',
-                    'P1332DT1H55M2.28S', 'P1331DT23H54M58.38S', True),
-                   ('PT1H1.95S', 'P1332DT55M0.33S',
-                    'P1332DT1H55M2.28S', '-P1331DT23H54M58.38S', False))
-
-
-# A list of test cases to test addition and subtraction of date/datetime
-# and Duration objects. They are tested against the results of an
-# equal long timedelta duration.
-DATE_TEST_CASES = ((date(2008, 2, 29),
-                    timedelta(days=10, hours=12, minutes=20),
-                    Duration(days=10, hours=12, minutes=20)),
-                   (date(2008, 1, 31),
-                    timedelta(days=10, hours=12, minutes=20),
-                    Duration(days=10, hours=12, minutes=20)),
-                   (datetime(2008, 2, 29),
-                    timedelta(days=10, hours=12, minutes=20),
-                    Duration(days=10, hours=12, minutes=20)),
-                   (datetime(2008, 1, 31),
-                    timedelta(days=10, hours=12, minutes=20),
-                    Duration(days=10, hours=12, minutes=20)),
-                   (datetime(2008, 4, 21),
-                    timedelta(days=10, hours=12, minutes=20),
-                    Duration(days=10, hours=12, minutes=20)),
-                   (datetime(2008, 5, 5),
-                    timedelta(days=10, hours=12, minutes=20),
-                    Duration(days=10, hours=12, minutes=20)),
-                   (datetime(2000, 1, 1),
-                    timedelta(hours=-33),
-                    Duration(hours=-33)),
-                   (datetime(2008, 5, 5),
-                    Duration(years=1, months=1, days=10, hours=12,
-                             minutes=20),
-                    Duration(months=13, days=10, hours=12, minutes=20)),
-                   (datetime(2000, 3, 30),
-                    Duration(years=1, months=1, days=10, hours=12,
-                             minutes=20),
-                    Duration(months=13, days=10, hours=12, minutes=20)),
-                   )
-
-# A list of test cases of additon of date/datetime and Duration. The results
-# are compared against a given expected result.
-DATE_CALC_TEST_CASES = (
-    (date(2000, 2, 1),
-     Duration(years=1, months=1),
-     date(2001, 3, 1)),
-    (date(2000, 2, 29),
-     Duration(years=1, months=1),
-     date(2001, 3, 29)),
-    (date(2000, 2, 29),
-     Duration(years=1),
-     date(2001, 2, 28)),
-    (date(1996, 2, 29),
-     Duration(years=4),
-     date(2000, 2, 29)),
-    (date(2096, 2, 29),
-     Duration(years=4),
-     date(2100, 2, 28)),
-    (date(2000, 2, 1),
-     Duration(years=-1, months=-1),
-     date(1999, 1, 1)),
-    (date(2000, 2, 29),
-     Duration(years=-1, months=-1),
-     date(1999, 1, 29)),
-    (date(2000, 2, 1),
-     Duration(years=1, months=1, days=1),
-     date(2001, 3, 2)),
-    (date(2000, 2, 29),
-     Duration(years=1, months=1, days=1),
-     date(2001, 3, 30)),
-    (date(2000, 2, 29),
-     Duration(years=1, days=1),
-     date(2001, 3, 1)),
-    (date(1996, 2, 29),
-     Duration(years=4, days=1),
-     date(2000, 3, 1)),
-    (date(2096, 2, 29),
-     Duration(years=4, days=1),
-     date(2100, 3, 1)),
-    (date(2000, 2, 1),
-     Duration(years=-1, months=-1, days=-1),
-     date(1998, 12, 31)),
-    (date(2000, 2, 29),
-     Duration(years=-1, months=-1, days=-1),
-     date(1999, 1, 28)),
-    (date(2001, 4, 1),
-     Duration(years=-1, months=-1, days=-1),
-     date(2000, 2, 29)),
-    (date(2000, 4, 1),
-     Duration(years=-1, months=-1, days=-1),
-     date(1999, 2, 28)),
-    (Duration(years=1, months=2),
-     Duration(years=0, months=0, days=1),
-     Duration(years=1, months=2, days=1)),
-    (Duration(years=-1, months=-1, days=-1),
-     date(2000, 4, 1),
-     date(1999, 2, 28)),
-    (Duration(years=1, months=1, weeks=5),
-     date(2000, 1, 30),
-     date(2001, 4, 4)),
-    (parse_duration("P1Y1M5W"),
-     date(2000, 1, 30),
-     date(2001, 4, 4)),
-    (parse_duration("P0.5Y"),
-     date(2000, 1, 30),
-     None),
-    (Duration(years=1, months=1, hours=3),
-     datetime(2000, 1, 30, 12, 15, 00),
-     datetime(2001, 2, 28, 15, 15, 00)),
-    (parse_duration("P1Y1MT3H"),
-     datetime(2000, 1, 30, 12, 15, 00),
-     datetime(2001, 2, 28, 15, 15, 00)),
-    (Duration(years=1, months=2),
-     timedelta(days=1),
-     Duration(years=1, months=2, days=1)),
-    (timedelta(days=1),
-     Duration(years=1, months=2),
-     Duration(years=1, months=2, days=1)),
-    (datetime(2008, 1, 1, 0, 2),
-     Duration(months=1),
-     datetime(2008, 2, 1, 0, 2)),
-    (datetime.strptime("200802", "%Y%M"),
-     parse_duration("P1M"),
-     datetime(2008, 2, 1, 0, 2)),
-    (datetime(2008, 2, 1),
-     Duration(months=1),
-     datetime(2008, 3, 1)),
-    (datetime.strptime("200802", "%Y%m"),
-     parse_duration("P1M"),
-     datetime(2008, 3, 1)),
-    # (date(2000, 1, 1),
-    #  Duration(years=1.5),
-    #  date(2001, 6, 1)),
-    # (date(2000, 1, 1),
-    #  Duration(years=1, months=1.5),
-    #  date(2001, 2, 14)),
-    )
-
-# A list of test cases of multiplications of durations
-# are compared against a given expected result.
-DATE_MUL_TEST_CASES = (
-    (Duration(years=1, months=1),
-     3,
-     Duration(years=3, months=3)),
-    (Duration(years=1, months=1),
-     -3,
-     Duration(years=-3, months=-3)),
-    (3,
-     Duration(years=1, months=1),
-     Duration(years=3, months=3)),
-    (-3,
-     Duration(years=1, months=1),
-     Duration(years=-3, months=-3)),
-    (5,
-     Duration(years=2, minutes=40),
-     Duration(years=10, hours=3, minutes=20)),
-    (-5,
-     Duration(years=2, minutes=40),
-     Duration(years=-10, hours=-3, minutes=-20)),
-    (7,
-     Duration(years=1, months=2, weeks=40),
-     Duration(years=8, months=2, weeks=280)))
-
-
-class DurationTest(unittest.TestCase):
-    '''
-    This class tests various other aspects of the isoduration module,
-    which are not covered with the test cases listed above.
-    '''
-
-    def test_associative(self):
-        '''
-        Adding 2 durations to a date is not associative.
-        '''
-        days1 = Duration(days=1)
-        months1 = Duration(months=1)
-        start = date(2000, 3, 30)
-        res1 = start + days1 + months1
-        res2 = start + months1 + days1
-        self.assertNotEqual(res1, res2)
-
-    def test_typeerror(self):
-        '''
-        Test if TypError is raised with certain parameters.
-        '''
-        self.assertRaises(TypeError, parse_duration, date(2000, 1, 1))
-        self.assertRaises(TypeError, operator.sub, Duration(years=1),
-                          date(2000, 1, 1))
-        self.assertRaises(TypeError, operator.sub, 'raise exc',
-                          Duration(years=1))
-        self.assertRaises(TypeError, operator.add,
-                          Duration(years=1, months=1, weeks=5),
-                          'raise exception')
-        self.assertRaises(TypeError, operator.add, 'raise exception',
-                          Duration(years=1, months=1, weeks=5))
-        self.assertRaises(TypeError, operator.mul,
-                          Duration(years=1, months=1, weeks=5),
-                          'raise exception')
-        self.assertRaises(TypeError, operator.mul, 'raise exception',
-                          Duration(years=1, months=1, weeks=5))
-        self.assertRaises(TypeError, operator.mul,
-                          Duration(years=1, months=1, weeks=5),
-                          3.14)
-        self.assertRaises(TypeError, operator.mul, 3.14,
-                          Duration(years=1, months=1, weeks=5))
-
-    def test_parseerror(self):
-        '''
-        Test for unparseable duration string.
-        '''
-        self.assertRaises(ISO8601Error, parse_duration, 'T10:10:10')
-
-    def test_repr(self):
-        '''
-        Test __repr__ and __str__ for Duration objects.
-        '''
-        dur = Duration(10, 10, years=10, months=10)
-        self.assertEqual('10 years, 10 months, 10 days, 0:00:10', str(dur))
-        self.assertEqual('isodate.duration.Duration(10, 10, 0,'
-                         ' years=10, months=10)', repr(dur))
-        dur = Duration(months=0)
-        self.assertEqual('0:00:00', str(dur))
-        dur = Duration(months=1)
-        self.assertEqual('1 month, 0:00:00', str(dur))
-
-    def test_hash(self):
-        '''
-        Test __hash__ for Duration objects.
-        '''
-        dur1 = Duration(10, 10, years=10, months=10)
-        dur2 = Duration(9, 9, years=9, months=9)
-        dur3 = Duration(10, 10, years=10, months=10)
-        self.assertNotEqual(hash(dur1), hash(dur2))
-        self.assertNotEqual(id(dur1), id(dur2))
-        self.assertEqual(hash(dur1), hash(dur3))
-        self.assertNotEqual(id(dur1), id(dur3))
-        durSet = set()
-        durSet.add(dur1)
-        durSet.add(dur2)
-        durSet.add(dur3)
-        self.assertEqual(len(durSet), 2)
-
-    def test_neg(self):
-        '''
-        Test __neg__ for Duration objects.
-        '''
-        self.assertEqual(-Duration(0), Duration(0))
-        self.assertEqual(-Duration(years=1, months=1),
-                         Duration(years=-1, months=-1))
-        self.assertEqual(-Duration(years=1, months=1), Duration(months=-13))
-        self.assertNotEqual(-Duration(years=1), timedelta(days=-365))
-        self.assertNotEqual(-timedelta(days=365), Duration(years=-1))
-        # FIXME: this test fails in python 3... it seems like python3
-        #        treats a == b the same b == a
-        # self.assertNotEqual(-timedelta(days=10), -Duration(days=10))
-
-    def test_format(self):
-        '''
-        Test various other strftime combinations.
-        '''
-        self.assertEqual(duration_isoformat(Duration(0)), 'P0D')
-        self.assertEqual(duration_isoformat(-Duration(0)), 'P0D')
-        self.assertEqual(duration_isoformat(Duration(seconds=10)), 'PT10S')
-        self.assertEqual(duration_isoformat(Duration(years=-1, months=-1)),
-                         '-P1Y1M')
-        self.assertEqual(duration_isoformat(-Duration(years=1, months=1)),
-                         '-P1Y1M')
-        self.assertEqual(duration_isoformat(-Duration(years=-1, months=-1)),
-                         'P1Y1M')
-        self.assertEqual(duration_isoformat(-Duration(years=-1, months=-1)),
-                         'P1Y1M')
-        dur = Duration(years=3, months=7, days=23, hours=5, minutes=25,
-                       milliseconds=330)
-        self.assertEqual(duration_isoformat(dur), 'P3Y7M23DT5H25M0.33S')
-        self.assertEqual(duration_isoformat(-dur), '-P3Y7M23DT5H25M0.33S')
-
-    def test_equal(self):
-        '''
-        Test __eq__ and __ne__ methods.
-        '''
-        self.assertEqual(Duration(years=1, months=1),
-                         Duration(years=1, months=1))
-        self.assertEqual(Duration(years=1, months=1), Duration(months=13))
-        self.assertNotEqual(Duration(years=1, months=2),
-                            Duration(years=1, months=1))
-        self.assertNotEqual(Duration(years=1, months=1), Duration(months=14))
-        self.assertNotEqual(Duration(years=1), timedelta(days=365))
-        self.assertFalse(Duration(years=1, months=1) !=
-                         Duration(years=1, months=1))
-        self.assertFalse(Duration(years=1, months=1) != Duration(months=13))
-        self.assertTrue(Duration(years=1, months=2) !=
-                        Duration(years=1, months=1))
-        self.assertTrue(Duration(years=1, months=1) != Duration(months=14))
-        self.assertTrue(Duration(years=1) != timedelta(days=365))
-        self.assertEqual(Duration(days=1), timedelta(days=1))
-        # FIXME: this test fails in python 3... it seems like python3
-        #        treats a != b the same b != a
-        # self.assertNotEqual(timedelta(days=1), Duration(days=1))
-
-    def test_totimedelta(self):
-        '''
-        Test conversion form Duration to timedelta.
-        '''
-        dur = Duration(years=1, months=2, days=10)
-        self.assertEqual(dur.totimedelta(datetime(1998, 2, 25)),
-                         timedelta(434))
-        # leap year has one day more in february
-        self.assertEqual(dur.totimedelta(datetime(2000, 2, 25)),
-                         timedelta(435))
-        dur = Duration(months=2)
-        # march is longer than february, but april is shorter than
-        # march (cause only one day difference compared to 2)
-        self.assertEqual(dur.totimedelta(datetime(2000, 2, 25)), timedelta(60))
-        self.assertEqual(dur.totimedelta(datetime(2001, 2, 25)), timedelta(59))
-        self.assertEqual(dur.totimedelta(datetime(2001, 3, 25)), timedelta(61))
-
-
-def create_parsetestcase(durationstring, expectation, format, altstr):
-    """
-    Create a TestCase class for a specific test.
-
-    This allows having a separate TestCase for each test tuple from the
-    PARSE_TEST_CASES list, so that a failed test won't stop other tests.
-    """
-
-    class TestParseDuration(unittest.TestCase):
-        '''
-        A test case template to parse an ISO duration string into a
-        timedelta or Duration object.
-        '''
-
-        def test_parse(self):
-            '''
-            Parse an ISO duration string and compare it to the expected value.
-            '''
-            result = parse_duration(durationstring)
-            self.assertEqual(result, expectation)
-
-        def test_format(self):
-            '''
-            Take duration/timedelta object and create ISO string from it.
-            This is the reverse test to test_parse.
-            '''
-            if altstr:
-                self.assertEqual(duration_isoformat(expectation, format),
-                                 altstr)
-            else:
-                # if durationstring == '-P2W':
-                #     import pdb; pdb.set_trace()
-                self.assertEqual(duration_isoformat(expectation, format),
-                                 durationstring)
-
-    return unittest.TestLoader().loadTestsFromTestCase(TestParseDuration)
-
-
-def create_mathtestcase(dur1, dur2, resadd, ressub, resge):
-    """
-    Create a TestCase class for a specific test.
-
-    This allows having a separate TestCase for each test tuple from the
-    MATH_TEST_CASES list, so that a failed test won't stop other tests.
-    """
-
-    dur1 = parse_duration(dur1)
-    dur2 = parse_duration(dur2)
-    resadd = parse_duration(resadd)
-    ressub = parse_duration(ressub)
-
-    class TestMathDuration(unittest.TestCase):
-        '''
-        A test case template test addition, subtraction and >
-        operators for Duration objects.
-        '''
-
-        def test_add(self):
-            '''
-            Test operator + (__add__, __radd__)
-            '''
-            self.assertEqual(dur1 + dur2, resadd)
-
-        def test_sub(self):
-            '''
-            Test operator - (__sub__, __rsub__)
-            '''
-            self.assertEqual(dur1 - dur2, ressub)
-
-        def test_ge(self):
-            '''
-            Test operator > and <
-            '''
-            def dogetest():
-                ''' Test greater than.'''
-                return dur1 > dur2
-
-            def doletest():
-                ''' Test less than.'''
-                return dur1 < dur2
-            if resge is None:
-                self.assertRaises(TypeError, dogetest)
-                self.assertRaises(TypeError, doletest)
-            else:
-                self.assertEqual(dogetest(), resge)
-                self.assertEqual(doletest(), not resge)
-
-    return unittest.TestLoader().loadTestsFromTestCase(TestMathDuration)
-
-
-def create_datetestcase(start, tdelta, duration):
-    """
-    Create a TestCase class for a specific test.
-
-    This allows having a separate TestCase for each test tuple from the
-    DATE_TEST_CASES list, so that a failed test won't stop other tests.
-    """
-
-    class TestDateCalc(unittest.TestCase):
-        '''
-        A test case template test addition, subtraction
-        operators for Duration objects.
-        '''
-
-        def test_add(self):
-            '''
-            Test operator +.
-            '''
-            self.assertEqual(start + tdelta, start + duration)
-
-        def test_sub(self):
-            '''
-            Test operator -.
-            '''
-            self.assertEqual(start - tdelta, start - duration)
-
-    return unittest.TestLoader().loadTestsFromTestCase(TestDateCalc)
-
-
-def create_datecalctestcase(start, duration, expectation):
-    """
-    Create a TestCase class for a specific test.
-
-    This allows having a separate TestCase for each test tuple from the
-    DATE_CALC_TEST_CASES list, so that a failed test won't stop other tests.
-    """
-
-    class TestDateCalc(unittest.TestCase):
-        '''
-        A test case template test addition operators for Duration objects.
-        '''
-
-        def test_calc(self):
-            '''
-            Test operator +.
-            '''
-            if expectation is None:
-                self.assertRaises(ValueError, operator.add, start, duration)
-            else:
-                self.assertEqual(start + duration, expectation)
-
-    return unittest.TestLoader().loadTestsFromTestCase(TestDateCalc)
-
-
-def create_datemultestcase(operand1, operand2, expectation):
-    """
-    Create a TestCase class for a specific test.
-
-    This allows having a separate TestCase for each test tuple from the
-    DATE_CALC_TEST_CASES list, so that a failed test won't stop other tests.
-    """
-
-    class TestDateMul(unittest.TestCase):
-        '''
-        A test case template test addition operators for Duration objects.
-        '''
-
-        def test_mul(self):
-            '''
-            Test operator *.
-            '''
-            self.assertEqual(operand1 * operand2, expectation)
-
-    return unittest.TestLoader().loadTestsFromTestCase(TestDateMul)
-
-
-def test_suite():
-    '''
-    Return a test suite containing all test defined above.
-    '''
-    suite = unittest.TestSuite()
-    for durationstring, (expectation, format,
-                         altstr) in PARSE_TEST_CASES.items():
-        suite.addTest(create_parsetestcase(durationstring, expectation,
-                                           format, altstr))
-    for testdata in MATH_TEST_CASES:
-        suite.addTest(create_mathtestcase(*testdata))
-    for testdata in DATE_TEST_CASES:
-        suite.addTest(create_datetestcase(*testdata))
-    for testdata in DATE_CALC_TEST_CASES:
-        suite.addTest(create_datecalctestcase(*testdata))
-    for testdata in DATE_MUL_TEST_CASES:
-        suite.addTest(create_datemultestcase(*testdata))
-    suite.addTest(unittest.TestLoader().loadTestsFromTestCase(DurationTest))
-    return suite
-
-
-# load_tests Protocol
-def load_tests(loader, tests, pattern):
-    return test_suite()
-
-
-if __name__ == '__main__':
-    unittest.main(defaultTest='test_suite')