From 6951291f7e4f35f653bb7ba6ed3c66254b59208b Mon Sep 17 00:00:00 2001
From: Christian <christian.geishauser@hhu.de>
Date: Wed, 22 Feb 2023 15:44:54 +0100
Subject: [PATCH] lower casing actions in action vectorizer

---
 convlab/policy/vector/vector_base.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/convlab/policy/vector/vector_base.py b/convlab/policy/vector/vector_base.py
index 0b1150fb..1c541857 100644
--- a/convlab/policy/vector/vector_base.py
+++ b/convlab/policy/vector/vector_base.py
@@ -360,7 +360,7 @@ class VectorBase(Vector):
         act_vec = np.zeros(self.da_dim)
 
         for da in action:
-            da = tuple(da)
+            da = tuple([a.lower() for a in da])
             if da in self.act2vec:
                 act_vec[self.act2vec[da]] = 1.
         return act_vec
-- 
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