Update __init__.py

Author: nifflets

src/functions_framework/__init__.py

@@ -444,7 +444,7 @@ def _configure_app_execution_id_logging():
 
 def _enable_execution_id_logging():
     # Based on distutils.util.strtobool
-    truthy_values = ('y', 'yes', 't', 'true', 'on', '1')
+    truthy_values = ("y", "yes", "t", "true", "on", "1")
     env_var_value = os.environ.get("LOG_EXECUTION_ID")
     return env_var_value in truthy_values