Update app.py

app.py

@@ -875,6 +875,13 @@ try:
         with timeline:
             timeline_df = speakers_dataFrame.copy()
             timeline_df["Resource"] = timeline_df["Resource"].apply(lambda s: get_display_name(s, currFileIndex))
+            base = dt.datetime.combine(dt.date.today(), dt.time.min)
+            timeline_df["Start"] = timeline_df["Start"].apply(
+                lambda s: base + dt.timedelta(seconds=float(s))
+            )
+            timeline_df["Finish"] = timeline_df["Finish"].apply(
+                lambda s: base + dt.timedelta(seconds=float(s))
+            )
             fig_la = px.timeline(timeline_df, x_start="Start", x_end="Finish", y="Resource", color="Resource",title="Timeline of Audio with Speakers",
                                 color_discrete_sequence=speakerColors)
             fig_la.update_yaxes(autorange="reversed")