Tests fail with python-debian >= 0.1.50

python-debian >= 0.1.50 (currently in experimental) causes test failures. Adding self.maxDiff = None so that we can see the details:

======================================================================
FAIL: test_create_source_artifact (debusine.db.playground.tests.test_playground.PlaygroundTest.test_create_source_artifact)
Test creating a source artifact.
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/cjwatson/src/freexian/projects/debusine/debusine/db/playground/tests/test_playground.py", line 197, in test_create_source_artifact
    self.assert_source_artifact_equal(artifact, "hello", "1.0-1")
  File "/home/cjwatson/src/freexian/projects/debusine/debusine/test/base.py", line 378, in assert_source_artifact_equal
    self.assertEqual(
AssertionError: {'Format': '3.0 (quilt)', 'Source': 'hello'[1036 chars]z'}]} != {'Architecture': 'any', 'Binary': 'hello', [963 chars]0-1'}
  {'Architecture': 'any',
   'Binary': 'hello',
   'Checksums-Sha1': [{'name': 'hello_1.0-1.debian.tar.xz',
                       'sha1': '0566a1928f543585c0eef6359554ef6dac0b9ead',
                       'size': '25'},
                      {'name': 'hello_1.0.orig.tar.gz',
                       'sha1': 'bd99ef9d0bc23ffe8c2ff8f301b60c710e7304d0',
                       'size': '21'}],
   'Checksums-Sha256': [{'name': 'hello_1.0-1.debian.tar.xz',
                         'sha256': '71ccdd40f56753452ee7714f7e2504a74dd8a7db13da0b311d555c61f4398097',
                         'size': '25'},
                        {'name': 'hello_1.0.orig.tar.gz',
                         'sha256': 'ec8a6cd7815b1ab9e052ba6b2f7efbcf0c18d765bb3145f8663e11a295834937',
                         'size': '21'}],
   'Files': [{'md5sum': '0b4be7a6bfde5475ab5197dbe0c6060e',
              'name': 'hello_1.0-1.debian.tar.xz',
              'size': '25'},
             {'md5sum': '057c7ada491e92d57e86a53959bd4a98',
              'name': 'hello_1.0.orig.tar.gz',
              'size': '21'}],
   'Format': '3.0 (quilt)',
   'Homepage': 'http://www.gnu.org/software/hello/',
   'Maintainer': 'Example Maintainer <example@example.org>',
+  'Package-List': '\n hello deb devel optional arch=any',
-  'Package-List': [{'_other': 'arch=any',
-                    'package': 'hello',
-                    'package-type': 'deb',
-                    'priority': 'optional',
-                    'section': 'devel'}],
   'Source': 'hello',
   'Standards-Version': '4.3.0',
   'Version': '1.0-1'}

======================================================================
FAIL: test_simulate_package_build (debusine.db.playground.tests.test_playground.PlaygroundTest.test_simulate_package_build)
Test simulating a whole package build.
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/cjwatson/src/freexian/projects/debusine/debusine/db/playground/tests/test_playground.py", line 675, in test_simulate_package_build
    self.assert_source_artifact_equal(
  File "/home/cjwatson/src/freexian/projects/debusine/debusine/test/base.py", line 378, in assert_source_artifact_equal
    self.assertEqual(
AssertionError: {'Files': [{'name': 'hello_1.0-1.debian.tar[1036 chars]3.0'} != {'Architecture': 'any', 'Binary': 'hello', [963 chars]0-1'}
  {'Architecture': 'any',
   'Binary': 'hello',
   'Checksums-Sha1': [{'name': 'hello_1.0-1.debian.tar.xz',
                       'sha1': '0566a1928f543585c0eef6359554ef6dac0b9ead',
                       'size': '25'},
                      {'name': 'hello_1.0.orig.tar.gz',
                       'sha1': 'bd99ef9d0bc23ffe8c2ff8f301b60c710e7304d0',
                       'size': '21'}],
   'Checksums-Sha256': [{'name': 'hello_1.0-1.debian.tar.xz',
                         'sha256': '71ccdd40f56753452ee7714f7e2504a74dd8a7db13da0b311d555c61f4398097',
                         'size': '25'},
                        {'name': 'hello_1.0.orig.tar.gz',
                         'sha256': 'ec8a6cd7815b1ab9e052ba6b2f7efbcf0c18d765bb3145f8663e11a295834937',
                         'size': '21'}],
   'Files': [{'md5sum': '0b4be7a6bfde5475ab5197dbe0c6060e',
              'name': 'hello_1.0-1.debian.tar.xz',
              'size': '25'},
             {'md5sum': '057c7ada491e92d57e86a53959bd4a98',
              'name': 'hello_1.0.orig.tar.gz',
              'size': '21'}],
   'Format': '3.0 (quilt)',
   'Homepage': 'http://www.gnu.org/software/hello/',
   'Maintainer': 'Example Maintainer <example@example.org>',
+  'Package-List': '\n hello deb devel optional arch=any',
-  'Package-List': [{'_other': 'arch=any',
-                    'package': 'hello',
-                    'package-type': 'deb',
-                    'priority': 'optional',
-                    'section': 'devel'}],
   'Source': 'hello',
   'Standards-Version': '4.3.0',
   'Version': '1.0-1'}

Bisecting leads me to python-debian-team/python-debian@6d7b4f67, so I guess we'd better adjust for that.