diff --git a/src/python_testing/TC_OpstateCommon.py b/src/python_testing/TC_OpstateCommon.py
index fbf07744abdb54..ffcee7662219dd 100644
--- a/src/python_testing/TC_OpstateCommon.py
+++ b/src/python_testing/TC_OpstateCommon.py
@@ -112,7 +112,7 @@ def init_test(self):
                     asserts.fail("The --app-pid flag must be set when PICS_SDK_CI_ONLY is set")
             self.app_pipe = self.app_pipe + str(app_pid)
 
-    def send_raw_manual_or_pipe_command(self, command : dict):
+    def send_raw_manual_or_pipe_command(self, command: dict):
         if self.is_ci:
             self.write_to_app_pipe(self.app_pipe, command)
             time.sleep(0.1)