fix isort errors

Author: kittauri

backend/src/tagung/plone/de/content/sponsor.py

@@ -3,13 +3,14 @@
 from plone.dexterity.content import Container
 from plone.namedfile import field as namedfile
 from plone.supermodel import model
-from tagung.plone.de import _
 
 # from plone.supermodel.directives import fieldset
 # from z3c.form.browser.radio import RadioFieldWidget
 from zope import schema
 from zope.interface import implementer
 
+from tagung.plone.de import _
+
 
 class ISponsor(model.Schema):
     """Marker interface and Dexterity Python Schema for Sponsor"""

backend/src/tagung/plone/de/tests/test_upgrade_step_1006.py

@@ -1,11 +1,10 @@
-from plone.app.testing import setRoles
-from plone.app.testing import TEST_USER_ID
+import unittest
+
+from plone.app.testing import TEST_USER_ID, setRoles
 
 # from tagung.plone.de.testing import TAGUNG_PLONE_DE_FUNCTIONAL_TESTING
 from tagung.plone.de.testing import TAGUNG_PLONE_DE_INTEGRATION_TESTING
 
-import unittest
-
 
 class UpgradeStepIntegrationTest(unittest.TestCase):
     layer = TAGUNG_PLONE_DE_INTEGRATION_TESTING