Update app.py

app.py

@@ -67,7 +67,7 @@ def initialize_LLM(llm_option, llm_temperature, max_tokens, top_k, vector_db, pr
     if language == "italiano":
         default_llm = "google/gemma-7b-it"
     else:
-        default_llm = "mistralai/Mistral-7B-Instruct-v0.2"
+        default_llm = "gemma-7b-en"  # Add English version if needed
 
     # Try to load the tokenizer and model
     try: