fix: add missing --tb option for compatibility with existing scripts

mcepl · mcepl · commit e7a355d0fced · 2026-04-29T13:26:57.000+02:00
diff --git a/mypy/main.py b/mypy/main.py
@@ -1124,6 +1124,9 @@ def add_invertible_flag(
         help="Show traceback on fatal error",
         group=internals_group,
     )
+    internals_group.add_argument(
+        "--tb", dest="show_traceback", action="store_true", help=argparse.SUPPRESS
+    )
     internals_group.add_argument(
         "--raise-exceptions", action="store_true", help="Raise exception on fatal error"
     )

Original file line number	Diff line number	Diff line change
`@@ -1124,6 +1124,9 @@ def add_invertible_flag(`
`1124`	`1124`	`help="Show traceback on fatal error",`
`1125`	`1125`	`group=internals_group,`
`1126`	`1126`	`)`
	`1127`	`+ internals_group.add_argument(`
	`1128`	`+ "--tb", dest="show_traceback", action="store_true", help=argparse.SUPPRESS`
	`1129`	`+ )`
`1127`	`1130`	`internals_group.add_argument(`
`1128`	`1131`	`"--raise-exceptions", action="store_true", help="Raise exception on fatal error"`
`1129`	`1132`	`)`