old_contents: # -*- coding: utf-8 -*-
  """
      PyHusky
      ~~~~~~
      Python Role Based Permissions Library
      :copyright: (c) 2016 by Clivern (hello@clivern.com).
      :license: MIT, see LICENSE for more details.
  """
  from __future__ import print_function
  from pyhusky.migrations import MySQLMigration
  import unittest
  
  
  class TestExceptionMethods(unittest.TestCase):
  
      def test_migration(self):
          mig = MySQLMigration({},{})
          self.assertEqual(mig.create_roles_table(), None)
          self.assertEqual(mig.create_roles_table(), None)
          self.assertEqual(mig.create_permissions_table(), None)
          self.assertEqual(mig.create_permission_role_table(), None)
          self.assertEqual(mig.create_role_user_table(), None)
          self.assertEqual(mig.create_permission_user_table(), None)
  
          self.assertEqual(mig.drop_roles_table(), None)
          self.assertEqual(mig.drop_permissions_table(), None)
          self.assertEqual(mig.drop_permission_role_table(), None)
          self.assertEqual(mig.drop_role_user_table(), None)
          self.assertEqual(mig.drop_permission_user_table(), None)
  
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: # -*- coding: utf-8 -*-
  """
      PyHusky
      ~~~~~~
      Python Role Based Permissions Library
      :copyright: (c) 2016 by Clivern (hello@clivern.com).
      :license: MIT, see LICENSE for more details.
  """
  from __future__ import print_function
  from pyhusky.migrations import MySQLMigration
  import unittest
  
  
  class TestExceptionMethods(unittest.TestCase):
  
      def test_migration(self):
          mig = MySQLMigration({},{})
          self.assertEqual(mig.create_roles_table(), None)
          self.assertEqual(mig.create_permissions_table(), None)
          self.assertEqual(mig.create_permission_role_table(), None)
          self.assertEqual(mig.create_role_user_table(), None)
          self.assertEqual(mig.create_permission_user_table(), None)
  
          self.assertEqual(mig.drop_roles_table(), None)
          self.assertEqual(mig.drop_permissions_table(), None)
          self.assertEqual(mig.drop_permission_role_table(), None)
          self.assertEqual(mig.drop_role_user_table(), None)
          self.assertEqual(mig.drop_permission_user_table(), None)
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: test case issue fixed