Merge pull request #85 from lkruger27/ads-dfa-fix

Small adaptive query fix

Author: Edi Muškardin

aalpy/base/SUL.py

@@ -75,7 +75,10 @@ def adaptive_query(self, word, ads):
             if next_input is None:
                 break
             if next_input is tuple(): # Relevant for DFA/Moore
-                last_output = self.step(None)
+                if outputs_received:
+                    last_output = outputs_received[-1]
+                else:
+                    last_output = self.step(None)
             else:
                 word.append(next_input)
                 output = self.step(next_input)