X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FTrace.py;h=c88150f72cd8501dc239287e070420d78b9cb82c;hp=27cc30476e005f8443eef865669ddd0f02e4f80e;hb=d68951ac245150eeefa6e0f4156e4c1b5c9e9325;hpb=ed0258a440cfad7023d643f717ab78ac568dc59b

diff --git a/resources/libraries/python/Trace.py b/resources/libraries/python/Trace.py
index 27cc30476e..c88150f72c 100644
--- a/resources/libraries/python/Trace.py
+++ b/resources/libraries/python/Trace.py
@@ -17,7 +17,7 @@ from resources.libraries.python.PapiExecutor import PapiSocketExecutor
 from resources.libraries.python.topology import NodeType
 
 
-class Trace(object):
+class Trace:
     """This class provides methods to manipulate the VPP packet trace."""
 
     @staticmethod
@@ -29,13 +29,11 @@ class Trace(object):
         :type nodes: dict
         :type maximum: int
         """
-        maximum = "max {count}".format(count=maximum) if maximum is not None\
-            else ""
+        maximum = f"max {maximum}" if maximum is not None else f""
 
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
-                PapiSocketExecutor.run_cli_cmd(
-                    node, "show trace {max}".format(max=maximum))
+            if node[u"type"] == NodeType.DUT:
+                PapiSocketExecutor.run_cli_cmd(node, f"show trace {maximum}")
 
     @staticmethod
     def clear_packet_trace_on_all_duts(nodes):
@@ -45,5 +43,5 @@ class Trace(object):
         :type nodes: dict
         """
         for node in nodes.values():
-            if node['type'] == NodeType.DUT:
-                PapiSocketExecutor.run_cli_cmd(node, "clear trace")
+            if node[u"type"] == NodeType.DUT:
+                PapiSocketExecutor.run_cli_cmd(node, u"clear trace")