django-jenkins error

Creating test database for alias 'default'...
EE
Stdout:
=====================================================================


Stderr:
Traceback (most recent call last):
  File "/home/carlos/.virtualenvs/django/local/lib/python2.7/site-packages/lettuce/registry.py", line 88, in call_hook
    callback(*args, **kw)
TypeError: teardown_environment() takes no arguments (1 given)

======================================================================
ERROR: runTest (django_jenkins.tasks.lettuce_tests.LettuceTestCase)
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Traceback (most recent call last):
  File "/home/carlos/.virtualenvs/django/local/lib/python2.7/site-packages/django_jenkins/tasks/lettuce_tests.py", line 64, in runTest
    result = self.runner.run()
  File "/home/carlos/.virtualenvs/django/local/lib/python2.7/site-packages/lettuce/__init__.py", line 137, in run
    self.loader.find_and_load_step_definitions()
  File "/home/carlos/.virtualenvs/django/local/lib/python2.7/site-packages/lettuce/fs.py", line 49, in find_and_load_step_definitions
    module = __import__(to_load)
  File "/home/carlos/.virtualenvs/django/local/lib/python2.7/site-packages/django_jenkins/tasks/run_pep8.py", line 13, in <module>
    class Task(BaseTask):
  File "/home/carlos/.virtualenvs/django/local/lib/python2.7/site-packages/django_jenkins/tasks/run_pep8.py", line 17, in Task
    default=pep8.DEFAULT_EXCLUDE + ",migrations",
AttributeError: 'module' object has no attribute 'DEFAULT_EXCLUDE'

======================================================================
ERROR: runTest (django_jenkins.tasks.lettuce_tests.LettuceTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/carlos/.virtualenvs/django/local/lib/python2.7/site-packages/django_jenkins/tasks/lettuce_tests.py", line 64, in runTest
    result = self.runner.run()
  File "/home/carlos/.virtualenvs/django/local/lib/python2.7/site-packages/lettuce/__init__.py", line 183, in run
    call_hook('after', 'all', total)
  File "/home/carlos/.virtualenvs/django/local/lib/python2.7/site-packages/lettuce/registry.py", line 88, in call_hook
    callback(*args, **kw)
TypeError: teardown_environment() takes no arguments (1 given)

Stdout:
=====================================================================


Stderr:
Traceback (most recent call last):
  File "/home/carlos/.virtualenvs/django/local/lib/python2.7/site-packages/lettuce/registry.py", line 88, in call_hook
    callback(*args, **kw)
TypeError: teardown_environment() takes no arguments (1 given)

----------------------------------------------------------------------
Ran 2 tests in 51.594s

FAILED (errors=2)
Destroying test database for alias 'default'...