fix imports

InvenTree/plugins/integration/another_sample.py

@@ -1,7 +1,4 @@
-from plugins.integration.integration import *
-
-from django.http import HttpResponse
-from django.utils.translation import ugettext_lazy as _
+from plugins.integration.integration import IntegrationPlugin, UrlsMixin
 
 
 class NoIntegrationPlugin(IntegrationPlugin):

InvenTree/plugins/integration/sample.py

@@ -1,7 +1,8 @@
-from plugins.integration.integration import *
+from plugins.integration.integration import SettingsMixin, UrlsMixin, NavigationMixin, IntegrationPlugin
 
 from django.http import HttpResponse
 from django.utils.translation import ugettext_lazy as _
+from django.conf.urls import url, include
 
 
 class SampleIntegrationPlugin(SettingsMixin, UrlsMixin, NavigationMixin, IntegrationPlugin):