resolve linter error

Signed-off-by: Tanishq Chaudhary <[email protected]>

Author: Tanishq30052002

launch/launch/launch_service.py

@@ -71,15 +71,15 @@ def __init__(
         # Set the log file name.
         if log_file_name is not None:
             # Ensure the log file name ends with `.log`
-            if not log_file_name.endswith(".log"):
-                log_file_name += ".log"
+            if not log_file_name.endswith('.log'):
+                log_file_name += '.log'
             launch.logging.launch_config.file_name = log_file_name
         self.__debug = debug
         self.__argv = argv if argv is not None else []
 
         # Setup logging
         if log_file_name is not None:
-            logger_name = log_file_name.removesuffix(".log")
+            logger_name = log_file_name.removesuffix('.log')
             self.__logger = launch.logging.get_logger(logger_name)
         else:
             self.__logger = launch.logging.get_logger('launch')