Removed unused imports.

'make lint' now finishes without error.

plone/dexterity/browser/edit.py

@@ -8,7 +8,6 @@
 from plone.dexterity.interfaces import IDexterityFTI
 from plone.registry.interfaces import IRegistry
 from plone.z3cform import layout
-from Products.CMFCore.utils import getToolByName
 from Products.statusmessages.interfaces import IStatusMessage
 from z3c.form import button
 from z3c.form import form

plone/dexterity/schema.py

@@ -16,7 +16,6 @@
 from zope.component import getAllUtilitiesRegisteredFor
 from zope.component import getUtility
 from zope.component import queryUtility
-from zope.component.hooks import getSite
 from zope.dottedname.resolve import resolve
 from zope.globalrequest import getRequest
 from zope.interface import alsoProvides

plone/dexterity/tests/case.py

@@ -1,6 +1,4 @@
 # -*- coding: utf-8 -*-
-from plone.dexterity.bbb import HAS_WEBDAV
-
 import gc
 import six
 import unittest

plone/dexterity/tests/test_webdav.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-from .case import HAS_WEBDAV
+from plone.dexterity.bbb import HAS_WEBDAV
 from .case import MockTestCase