fixed functor-frames

src/pkg/valency/valency/Frame.py

@@ -50,6 +50,10 @@ class Frame():
         self.sentences = sentences
         self.aggr_sent = None  # Dictionary { hw: self.sentences idx }
 
+    def get_functors(self):
+        return [slot.functor for slot in self.slots]
+
+
     def to_json(self):
         ret = {
             "hw": self.hw,