Update app.py

app.py

@@ -103,7 +103,7 @@ def get_conversational_chain(retriever):
     #repo_id="HuggingFaceH4/zephyr-7b-beta",
     #repo_id = "mistralai/Mistral-7B-v0.1",
     #repo_id="microsoft/Phi-3-mini-128k-instruct",
-    repo_id= "google/gemma-2-9b",
+    repo_id= "microsoft/Phi-3-mini-4k-instruct",
     huggingfacehub_api_token=os.getenv("HUGGINGFACE_API_KEY2"),
     task="text-generation",
     )