hash utility should return an ascii string by default, was previously hidden...

hash utility should return an ascii string by default, was previously hidden by too-smart django rendering which is no longer the case.

helios/crypto/utils.py

@@ -27,5 +27,5 @@ def hash_b64(s):
     removes the trailing "="
     """
     hasher = SHA256.new(s.encode('utf-8'))
-    result = base64.b64encode(hasher.digest())[:-1]
+    result = base64.b64encode(hasher.digest())[:-1].decode('ascii')
     return result