fix url

quakeflow_nc.py

@@ -224,8 +224,8 @@ class QuakeFlow_NC(datasets.GeneratorBasedBuilder):
         # By default the archives will be extracted and a path to a cached folder where they are extracted is returned instead of the archive
         urls = _URLS[self.config.name]
         # files = dl_manager.download(urls)
-        # files = dl_manager.download_and_extract(urls)
-        files = [f"waveform_h5/{x}" for x in _FILES]
+        files = dl_manager.download_and_extract(urls)
+        # files = [f"waveform_h5/{x}" for x in _FILES]
         for file in sorted(files):
             print(file)