Fix off-by-one error

app.py

@@ -606,7 +606,7 @@ if len(st.session_state.results) > 0:
                 summary, extras = st.session_state.summaries[i]["categories"]
                 theseCategories = st.session_state.categories + extras
                 for j, timeSlots in enumerate(summary):
-                    df6_dict[theseCategories[j]].append(sum([t.duration for _,t in timeSlots])/st.session_state.results[i][2])
+                    df6_dict[theseCategories[j]].append(sum([t.duration for _,t in timeSlots])/st.session_state.results[i][1])
                 for category in allCategories:
                     if category not in theseCategories:
                         df6_dict[category].append(0)