Update app.py

app.py

@@ -72,7 +72,7 @@ def get_conversational_chain(api_key):
     
     Answer (based only on the context above):
     """
-    model = ChatGoogleGenerativeAI(model="gemini-3-flash", temperature=0, google_api_key=api_key)
+    model = ChatGoogleGenerativeAI(model="gemini-3-flash-preview", temperature=0, google_api_key=api_key)
     prompt = PromptTemplate(template=prompt_template, input_variables=["context", "question"])
     
     chain = prompt | model | StrOutputParser()