update tokenizer.py

tokenizer.py

@@ -112,10 +112,10 @@ class PhobertTokenizer(PreTrainedTokenizer):
         self.merges_file = merges_file
 
         self.encoder = {}
-        self.encode[self.bos_token] = 0
-        self.encode[self.pad_token] = 1
-        self.encode[self.eos_token] = 2
-        self.encode[self.unk_token] = 3
+        self.encoder[self.bos_token] = 0
+        self.encoder[self.pad_token] = 1
+        self.encoder[self.eos_token] = 2
+        self.encoder[self.unk_token] = 3
 
         self.add_from_file(vocab_file)
         self.encoder[self.mask_token] = len(self.encoder)