fixed estimated_time

app.py

@@ -109,7 +109,9 @@ if st.button("Run"):
         print("result:", result)
         if "error" in result:
             if type(result["error"]) is str:
-                st.write(f'{result["error"]}. Please try it again in about {result["estimated_time"]:.0f} seconds')
+                st.write(f'{result["error"]}.')
+                if "estimated_time" in result:
+                    st.write(f'Please try it again in about {result["estimated_time"]:.0f} seconds')
             else:
                 if type(result["error"]) is list:
                     for error in result["error"]: