fix tokenizer import

app_dialogue.py

@@ -41,7 +41,7 @@ MODELS = {
         trust_remote_code=True
     ).to(DEVICE),
 }
-TOKENIZER = AutoTokenizer.from_pretrained(model_name_or_path, trust_remote_code=True, use_fast=False, legacy=False)
+TOKENIZER = AutoTokenizer.from_pretrained("Salesforce/xgen-mm-phi3-mini-instruct-interleave-r-v1.5", trust_remote_code=True, use_fast=False, legacy=False)
 PROCESSOR = AutoImageProcessor.from_pretrained(
     "Salesforce/xgen-mm-phi3-mini-instruct-interleave-r-v1.5", trust_remote_code=True
 )