fix password digests

test/test_db.py

@@ -123,6 +123,9 @@ def test_search(db):
 def test_password(db):
     user = db.save(examples.User(name="john", email="john@foo", password="fnord"))
 
+    # make sure we don't compute the digest on an existing digest
+    user = db.save(user)
+
     assert ":" in user.password
     assert user.password != "fnord"