Fix args expansion.

diff --git a/plomlib b/plomlib
index 2f851352484cd0f8ad415dd765163b4a94c95ba8..8692e6dd3c9f5803def5f42b570c5a5f8027f11e 160000 (submodule)
--- a/plomlib
+++ b/plomlib
@@ -1 +1 @@
-Subproject commit 2f851352484cd0f8ad415dd765163b4a94c95ba8
+Subproject commit 8692e6dd3c9f5803def5f42b570c5a5f8027f11e