PEP fixes

InvenTree/plugin/admin.py

@@ -2,11 +2,11 @@
 from __future__ import unicode_literals
 
 from django.contrib import admin
-from django.apps import apps
 
 import plugin.models as models
 from plugin import plugin_reg
 
+
 def plugin_update(queryset, new_status: bool):
     """general function for bulk changing plugins"""
     apps_changed = False

InvenTree/plugin/models.py

@@ -7,7 +7,6 @@ from __future__ import unicode_literals
 
 from django.utils.translation import gettext_lazy as _
 from django.db import models
-from django.apps import apps
 
 from plugin import plugin_reg
 

InvenTree/plugin/test_api.py

@@ -78,7 +78,7 @@ class PluginDetailAPITest(InvenTreeAPITestCase):
         fixtures = fixtures[0:1]
         # deactivate plugin
         self.post(url, {
-            'action': 'plugin_deactivate', 
+            'action': 'plugin_deactivate',
             'index': 0,
             '_selected_action': [f.pk for f in fixtures],
         }, expected_code=200)