diff --git a/awx/main/models/events.py b/awx/main/models/events.py
index 0e516aa669..f953e7ca61 100644
--- a/awx/main/models/events.py
+++ b/awx/main/models/events.py
@@ -541,8 +541,7 @@ class JobEvent(BasePlaybookEvent):
                 return
             job = self.job
 
-            from awx.main.models import Host, JobHostSummary  # circular import
-            from awx.main.models import Host, JobHostSummary, HostMetric
+            from awx.main.models import Host, JobHostSummary, HostMetric  # circular import
 
             all_hosts = Host.objects.filter(pk__in=self.host_map.values()).only('id', 'name')
             existing_host_ids = set(h.id for h in all_hosts)
diff --git a/awx/main/utils/common.py b/awx/main/utils/common.py
index bc66b2dc99..cf80559e48 100644
--- a/awx/main/utils/common.py
+++ b/awx/main/utils/common.py
@@ -10,7 +10,6 @@ import os
 import subprocess
 import re
 import stat
-import subprocess
 import urllib.parse
 import threading
 import contextlib
diff --git a/tox.ini b/tox.ini
index 820324d2d3..e71d910bc9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,5 +13,5 @@ commands =
   yamllint -s .
 
 [flake8]
-select = F401,F402,F821,F823,F841
+select = F401,F402,F821,F823,F841,F811
 exclude = awx/ui/node_modules,awx/ui/node_modules,env,awx_collection_build