From 2ebb4fbf088cd15c5bad271aae1c0bc4fa52916b Mon Sep 17 00:00:00 2001
From: akelad <akela@rasa.ai>
Date: Tue, 10 Jul 2018 13:19:21 +0200
Subject: [PATCH] predict action listen after fallback

---
 rasa_core/policies/fallback.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/rasa_core/policies/fallback.py b/rasa_core/policies/fallback.py
index 60571fd8612..d1110c351e1 100644
--- a/rasa_core/policies/fallback.py
+++ b/rasa_core/policies/fallback.py
@@ -93,7 +93,12 @@ def predict_action_probabilities(self, tracker, domain):
         # to not override standard behaviour
         nlu_confidence = nlu_data["intent"].get("confidence", 1.0)
 
-        if self.should_fallback(nlu_confidence, tracker.latest_action_name):
+        # if the last action was fallback, we should always predict
+        # action listen after
+        if tracker.latest_action_name == self.fallback_action_name:
+            idx = domain.index_for_action('action_listen')
+            score = 1.1
+        elif self.should_fallback(nlu_confidence, tracker.latest_action_name):
             logger.debug("NLU confidence {} is lower "
                          "than NLU threshold {}. "
                          "Predicting fallback action: {}"