multiple test failures in version 1.8.0 about testtools HOT 10 CLOSED

(test)robertc@lifeless-z140:/tmp/testtools-1.8.0$ pip install extras==0.0.3 mimeparse==0.1.3 pbr unittest2==1.1.0 traceback2==1.4.0
Collecting extras==0.0.3
Collecting mimeparse==0.1.3
  Downloading mimeparse-0.1.3.tar.gz
Collecting pbr
  Using cached pbr-1.8.1-py2.py3-none-any.whl
Collecting unittest2==1.1.0
  Using cached unittest2-1.1.0-py2.py3-none-any.whl
Collecting traceback2==1.4.0
  Using cached traceback2-1.4.0-py2.py3-none-any.whl
Requirement already satisfied (use --upgrade to upgrade): argparse in /usr/lib/python2.7 (from unittest2==1.1.0)
Collecting six>=1.4 (from unittest2==1.1.0)
  Using cached six-1.10.0-py2.py3-none-any.whl
Collecting linecache2 (from traceback2==1.4.0)
  Using cached linecache2-1.0.0-py2.py3-none-any.whl
Installing collected packages: extras, mimeparse, pbr, linecache2, traceback2, six, unittest2
  Running setup.py install for mimeparse
Successfully installed extras-0.0.3 linecache2-1.0.0 mimeparse-0.1.3 pbr-1.8.1 six-1.10.0 traceback2-1.4.0 unittest2-1.1.0
(test)robertc@lifeless-z140:/tmp/testtools-1.8.0$ python -m testtools.run testtools.tests.test_suite
Tests running...
======================================================================
ERROR: testtools.tests.test_testresult.TestStreamToDict.test_bad_mime
----------------------------------------------------------------------
Traceback (most recent call last):
  File "testtools/tests/test_testresult.py", line 781, in test_bad_mime
    test_id='id')
  File "testtools/testresult/real.py", line 638, in status
    primary, sub, parameters = parse_mime_type(mime_type)
  File "/home/robertc/.virtualenvs/test/local/lib/python2.7/site-packages/mimeparse.py", line 33, in parse_mime_type
    for param in parts[1:] ])
ValueError: dictionary update sequence element #0 has length 3; 2 is required

Ran 1196 tests in 0.179s
FAILED (failures=1)

python -m testtools.run testtools.tests.test_suite
Tests running...

Ran 1196 tests in 0.152s
OK