Update app.py

app.py

@@ -4,20 +4,18 @@ from langchain_google_genai import GoogleGenerativeAIEmbeddings
 import google.generativeai as genai
 from langchain_community.vectorstores import FAISS
 from langchain_google_genai import ChatGoogleGenerativeAI
-from typing import Optional
 
-genai.configure(api_key="AIzaSyD2o8vjePJb6z8vT_PVe82lVWMD3_cBL0g")
+genai.configure(api_key="")
 
 
-def predict(message :str ,history : Optional[List],topic : Optional[str] = "OIC") -> str:
+def predict(message :str ,history,topic : str = "OIC") -> str:
     model = genai.GenerativeModel("gemini-pro")
     his = []
-    if history:
-        for i,j in history:
-            his.extend([
-                {"role": "user", "parts": i},
-                {"role": "model", "parts": j},
-            ])
+    for i,j in history:
+        his.extend([
+            {"role": "user", "parts": i},
+            {"role": "model", "parts": j},
+        ])
     chat = model.start_chat(
         history=his
     )