remove tmp vairable

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

Author: Tanishq30052002

launch/launch/logging/__init__.py

@@ -336,9 +336,8 @@ def get_log_file_handler(self):
         once constructed).
         """
         if self.log_file_name not in self.file_handlers:
-            log_file_path = self.get_log_file_path()
             factory = self.log_handler_factory
-            file_handler = factory(log_file_path, encoding='utf-8')
+            file_handler = factory(self.get_log_file_path(), encoding="utf-8")
             file_handler.setFormatter(self.file_formatter)
             self.file_handlers[self.log_file_name] = file_handler
         return self.file_handlers[self.log_file_name]