X-Git-Url: https://git.arvados.org/lightning.git/blobdiff_plain/365adc74eb21f1654611cb309738ffb07c1ca357..7de5c0136be23c1a0f069903e89d6b4691e9776b:/numpycomvar.go

diff --git a/numpycomvar.go b/numpycomvar.go
index e795b8bce1..c11e433cc7 100644
--- a/numpycomvar.go
+++ b/numpycomvar.go
@@ -37,6 +37,9 @@ func (cmd *numpyComVar) RunCommand(prog string, args []string, stdin io.Reader,
 		return 0
 	} else if err != nil {
 		return 2
+	} else if flags.NArg() > 0 {
+		err = fmt.Errorf("errant command line arguments after parsed flags: %v", flags.Args())
+		return 2
 	}
 
 	runner := arvadosContainerRunner{