Make the hs_ntor_ref logic more correct when there is no sha3 module

diff --git a/src/test/hs_ntor_ref.py b/src/test/hs_ntor_ref.py
index 46e0e3fa4cc5b4d9a6d5734265d94f9c066a4288..3dd2d6d6e0e7f6ae2202b94262a183e6b4ddc485 100644 (file)
--- a/src/test/hs_ntor_ref.py
+++ b/src/test/hs_ntor_ref.py
@@ -60,7 +60,7 @@ try:
 except ImportError:
     # In python 3.6, the sha3 functions are in hashlib whether we
     # import sha3 or not.
-    pass
+    sha3 = None
 
 try:
     # Pull the sha3 functions in.