Update app.py

app.py

@@ -1,6 +1,14 @@
 from transformers import AutoTokenizer, AutoModelForSeq2SeqLM
 from flask import Flask, jsonify
 
+model_name = "facebook/blenderbot-400M-distill"
+
+# Load model (download on first run and reference local installation for consequent runs)
+model = AutoModelForSeq2SeqLM.from_pretrained(model_name)
+tokenizer = AutoTokenizer.from_pretrained(model_name)
+
+conversation_history = []
+
 app = Flask(__name__)
 
 @app.route('/')