fix dataset generation error

checking if stations with 'P arrival equals S arrival' results in error when comparing arrays using '==' operator

DatasetGenerationError: An error occurred while generating the dataset

quakeflow_nc.py

@@ -316,7 +316,7 @@ class QuakeFlow_NC(datasets.GeneratorBasedBuilder):
                             is_sick = False
                             for sta_id in station_ids:
                                 attrs = event[sta_id].attrs
-                                if attrs["phase_index"][attrs["phase_type"] == "P"] == attrs["phase_index"][attrs["phase_type"] == "S"]:
+                                if not np.intersect1d(attrs["phase_index"][attrs["phase_type"] == "P"], attrs["phase_index"][attrs["phase_type"] == "S"]):
                                     is_sick = True
                                     break
                             if is_sick: