diff --git a/atst/filters.py b/atst/filters.py
index f8b8d2d3..32000105 100644
--- a/atst/filters.py
+++ b/atst/filters.py
@@ -88,11 +88,11 @@ def pageWindow(pagination, size=2):
 
 
 def renderAuditEvent(event):
-    template_name = 'audit_log/events/{}.html'.format(event.resource_type)
+    template_name = "audit_log/events/{}.html".format(event.resource_type)
     try:
         return render_template(template_name, event=event)
     except TemplateNotFound:
-        return render_template('audit_log/events/default.html', event=event)
+        return render_template("audit_log/events/default.html", event=event)
 
 
 def register_filters(app):
diff --git a/tests/test_filters.py b/tests/test_filters.py
index 6e272b39..5cfff00e 100644
--- a/tests/test_filters.py
+++ b/tests/test_filters.py
@@ -19,12 +19,12 @@ def test_dollar_fomatter(input, expected):
 
 
 def test_render_audit_event_with_known_resource_type():
-    event = AuditEvent(resource_type='user')
+    event = AuditEvent(resource_type="user")
     result = renderAuditEvent(event)
-    assert '<article' in result
+    assert "<article" in result
 
 
 def test_render_audit_event_with_unknown_resource_type():
-    event = AuditEvent(resource_type='boat')
+    event = AuditEvent(resource_type="boat")
     result = renderAuditEvent(event)
-    assert '<article' in result
+    assert "<article" in result