Allow SPieceTokenizer to load model from a byte string.

comfy/text_encoders/spiece_tokenizer.py

 import os
 
 class SPieceTokenizer:
+    add_eos = True
+
     @staticmethod
     def from_pretrained(path):
         return SPieceTokenizer(path)
 
     def __init__(self, tokenizer_path):
         import sentencepiece
-        self.tokenizer = sentencepiece.SentencePieceProcessor(model_file=tokenizer_path)
-        self.end = self.tokenizer.eos_id()
+        if isinstance(tokenizer_path, bytes):
+            self.tokenizer = sentencepiece.SentencePieceProcessor(model_proto=tokenizer_path, add_eos=self.add_eos)
+        else:
+            self.tokenizer = sentencepiece.SentencePieceProcessor(model_file=tokenizer_path, add_eos=self.add_eos)
 
     def get_vocab(self):
         out = {}
@@ -18,5 +22,4 @@ class SPieceTokenizer:
 
     def __call__(self, string):
         out = self.tokenizer.encode(string)
-        out += [self.end]
         return {"input_ids": out}