Update app.py

app.py

@@ -11,12 +11,8 @@ replacements = {
     '<': 'LessThanSign'
 }
 
-from transformers import AutoTokenizer, AutoModelForCausalLM
-
-tokenizer = AutoTokenizer.from_pretrained("mistralai/Mistral-7B-v0.1")
-model = AutoModelForCausalLM.from_pretrained("mistralai/Mistral-7B-v0.1")
-#model = AutoModelForSeq2SeqLM.from_pretrained("google/flan-t5-large")
-#tokenizer = AutoTokenizer.from_pretrained("google/flan-t5-large")
+model = AutoModelForSeq2SeqLM.from_pretrained("google/flan-t5-large")
+tokenizer = AutoTokenizer.from_pretrained("google/flan-t5-large")
 
 def chatbot_model(m,history):
     for char, replacement in replacements.items():