diff -r 5b60464efbde -r c32454d69b85 contrib/python-zstandard/c-ext/decompressobj.c
--- a/contrib/python-zstandard/c-ext/decompressobj.c	Thu Feb 09 21:44:32 2017 -0500
+++ b/contrib/python-zstandard/c-ext/decompressobj.c	Tue Feb 07 23:24:47 2017 -0800
@@ -41,9 +41,9 @@
 	}
 
 #if PY_MAJOR_VERSION >= 3
-	if (!PyArg_ParseTuple(args, "y#",
+	if (!PyArg_ParseTuple(args, "y#:decompress",
 #else
-	if (!PyArg_ParseTuple(args, "s#",
+	if (!PyArg_ParseTuple(args, "s#:decompress",
 #endif
 		&source, &sourceSize)) {
 		return NULL;