diff --git a/light9/collector/collector.py b/light9/collector/collector.py
--- a/light9/collector/collector.py
+++ b/light9/collector/collector.py
@@ -1,15 +1,16 @@
+import logging
 import time
-import logging
 from typing import cast, List, Dict, Tuple, Optional, Set
 
 from rdflib import Graph, Literal
+from rdfdb.syncedgraph.syncedgraph import SyncedGraph
 
-from light9.collector.device import toOutputAttrs, resolve
+from light9.collector.device import resolve, toOutputAttrs
 from light9.collector.output import Output as OutputInstance
 from light9.collector.weblisteners import WebListeners
 from light9.namespaces import L9, RDF
-from rdfdb.syncedgraph.syncedgraph import SyncedGraph
-from light9.newtypes import ClientType, ClientSessionType, OutputUri, DeviceUri, DeviceClass, DmxIndex, DmxMessageIndex, DeviceAttr, OutputAttr, OutputValue, UnixTime, OutputRange
+from light9.newtypes import (ClientSessionType, ClientType, DeviceAttr, DeviceClass, DeviceUri, DmxIndex, DmxMessageIndex, OutputAttr, OutputRange, OutputUri,
+                             OutputValue, UnixTime)
 
 log = logging.getLogger('collector')