diff --git a/test/interface_stats/data/capture-test-data-nokia.py b/test/interface_stats/data/capture-test-data-nokia.py
index 783efe07a67bb04059a6ba09f2ac15557f991889..6de47001c2a0457e07ed12c290eee68ffceb6d14 100644
--- a/test/interface_stats/data/capture-test-data-nokia.py
+++ b/test/interface_stats/data/capture-test-data-nokia.py
@@ -5,27 +5,24 @@ import logging
 
 logger = logging.getLogger(__name__)
 logging.basicConfig(level=logging.DEBUG)
-ncclient_logger = logging.getLogger('ncclient')
+ncclient_logger = logging.getLogger("ncclient")
 ncclient_logger.level = logging.WARNING
 
-ROUTERS = [
-    'rt0.lon.uk.lab.office.geant.net',
-    'rt0.ams.nl.lab.office.geant.net'
-]
+ROUTERS = ["rt0.lon.uk.lab.office.geant.net", "rt0.ams.nl.lab.office.geant.net"]
 
-SSH_PARAMS = {
-    'ssh_config': '~/.ssh/config.d/routers-jump'
-}
+SSH_PARAMS = {"ssh_config": "~/.ssh/config.d/routers-jump"}
 
 
 def load_estate_interface_info():
 
     for fqdn in ROUTERS:
         logger.info(fqdn)
-        raw_counter_docs = nokia.get_netconf_interface_info(router_name=fqdn, ssh_params=SSH_PARAMS)
+        raw_counter_docs = nokia.get_netconf_interface_info(
+            router_name=fqdn, ssh_params=SSH_PARAMS
+        )
 
-        assert set(raw_counter_docs.keys()) ==  {"port", "lag", "router-interface"}
-        for key,doc in raw_counter_docs.items():
+        assert set(raw_counter_docs.keys()) == {"port", "lag", "router-interface"}
+        for key, doc in raw_counter_docs.items():
             file = pathlib.Path(__file__).parent / f"{fqdn}-{key}s.xml"
             file.write_bytes(etree.tostring(doc))