fixed the tokenizer

app/api.py

@@ -127,7 +127,7 @@ async def text_generate(
                                     num_return_sequences=1,
                                     max_time=max_time
                                     )
-    result = tokenizer.decode(sample_outputs[0], skip_special_tokens=True)
+    result = text_generator[model_name]["tokenizer"].decode(sample_outputs[0], skip_special_tokens=True)
     time_end = time.time()
     time_diff = time_end - time_start
     print(f"result:\n{result}")