Update app.py

app.py

@@ -87,7 +87,7 @@ def get_conversational_chain(api_key):
     
     Answer:
     """
-    model = ChatGoogleGenerativeAI(model="gemini-3-flash-preview", temperature=0.3, google_api_key=api_key)
+    model = ChatGoogleGenerativeAI(model="gemini-2.0-flash", temperature=0.3, google_api_key=api_key)
     prompt = PromptTemplate(template=prompt_template, input_variables=["context", "question", "chat_history"])
     chain = load_qa_chain(model, chain_type="stuff", prompt=prompt)
     return chain
@@ -120,7 +120,7 @@ def get_response(user_question, api_key, chat_history):
 def main():
     st.set_page_config(
         page_title="Antimicrobial Pharmacology Chatbot", 
-        page_icon="",
+        page_icon="💊",
         layout="wide"
     )
     
@@ -151,7 +151,7 @@ def main():
             if st.button("Continue", type="primary") and user_api_key:
                 st.session_state["user_api_key"] = user_api_key
                 st.session_state["api_entered"] = True
-                st.experimental_rerun()
+                st.rerun()
             st.stop()
         else:
             st.session_state["user_api_key"] = api_key
@@ -176,7 +176,7 @@ def main():
                 get_vector_store(text_chunks, api_key)
                 st.session_state["pdf_processed"] = True
                 st.success("PDF processed successfully. You can now ask questions.")
-                st.experimental_rerun()
+                st.rerun()
             except FileNotFoundError as e:
                 st.error(str(e))
                 st.stop()
@@ -192,11 +192,11 @@ def main():
         
         if st.button("Reprocess PDF"):
             st.session_state["pdf_processed"] = False
-            st.experimental_rerun()
+            st.rerun()
         
         if st.button("Clear Chat History"):
             st.session_state["messages"] = []
-            st.experimental_rerun()
+            st.rerun()
         
         st.markdown("---")
         st.subheader("Quick Actions")
@@ -237,7 +237,7 @@ def main():
                 with st.spinner("Generating question..."):
                     response = get_response(quick_question, api_key, st.session_state["messages"])
                     st.session_state["messages"].append({"role": "assistant", "content": response})
-                st.experimental_rerun()
+                st.rerun()
         
         with col2:
             if st.button("Summarize Topics", use_container_width=True):
@@ -246,7 +246,7 @@ def main():
                 with st.spinner("Analyzing..."):
                     response = get_response(quick_question, api_key, st.session_state["messages"])
                     st.session_state["messages"].append({"role": "assistant", "content": response})
-                st.experimental_rerun()
+                st.rerun()
         
         with col3:
             if st.button("How can you help?", use_container_width=True):
@@ -255,7 +255,7 @@ def main():
                 with st.spinner("Processing..."):
                     response = get_response(quick_question, api_key, st.session_state["messages"])
                     st.session_state["messages"].append({"role": "assistant", "content": response})
-                st.experimental_rerun()
+                st.rerun()
 
     # Chat input
     if user_question := st.chat_input("Ask a question or answer an MCQ..."):