Update app.py

app.py

@@ -410,7 +410,11 @@ if st.button("Generate Patent Insights"):
             start_time = time.time()
 
             # Kick off the crew with user inputs
-            results = crew.kickoff(inputs={"topic": patent_area, "stakeholder": stakeholder})
+            if not patent_area or not stakeholder:
+                st.error("Please provide both Patent Technology Area and Stakeholder.")
+            else:
+                results = crew.kickoff(inputs={"topic": patent_area, "stakeholder": stakeholder})
+
 
             # Calculate elapsed time
             elapsed_time = time.time() - start_time