Update app.py

app.py

@@ -75,7 +75,7 @@ else:
     df_speckle_lu = speckle_utils.get_dataframe(streamData, return_original_df=False)
     df_lu = df_speckle_lu.copy()
     df_lu = df_lu.astype(str)
-    df_lu =  df_lu.set_index("ids", drop=False)
+    df_lu =  df_lu.set_index("uuid", drop=False)
     
     df_dm = matrices[distanceMatrixActivityNodes]