cli: DictAction: set default metavar (iterative#10047)

efiop · Oct 20, 2023 · 4a0d56a · 4a0d56a
1 parent 825c823
commit 4a0d56a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/dvc/cli/utils.py b/dvc/cli/utils.py
@@ -2,6 +2,10 @@
 
 
 class DictAction(argparse.Action):
+    def __init__(self, *args, **kwargs):
+        kwargs.setdefault("metavar", "<name>=<value>")
+        super().__init__(*args, **kwargs)
+
     def __call__(self, parser, args, values, option_string=None):  # noqa: ARG002
         d = getattr(args, self.dest) or {}