Fix: encoder and decoder in tokenizer

tokenization_rwkv_world.py

@@ -106,11 +106,11 @@ class RWKVWorldTokenizer(PreTrainedTokenizer):
             assert isinstance(x, bytes)
             assert len(x) == int(l[l.rindex(" ") :])
             sorted += [x]
-            self.encoder[idx] = x
+            self.encoder[x] = idx
 
         self.decoder = {}
         for k, v in self.encoder.items():
-            self.decoder[v] = int(k)
+            self.decoder[v] = k
 
         self.trie = TRIE()
         for t, i in self.decoder.items():