Restyled by isort

src/python_testing/TC_OPCREDS_3_1.py

@@ -19,9 +19,9 @@
 import logging
 import random
 
-from chip import ChipDeviceCtrl
 import chip.clusters as Clusters
 import chip.discovery as Discovery
+from chip import ChipDeviceCtrl
 from chip.exceptions import ChipStackError
 from chip.interaction_model import InteractionModelError, Status
 from chip.tlv import TLVReader, TLVWriter