fix chris bug

Author: h-mayorquin

src/spikeinterface/core/channelsaggregationrecording.py

@@ -30,9 +30,11 @@ def __init__(self, recording_list, renamed_channel_ids=None):
             ), "'renamed_channel_ids' doesn't have the right size or has duplicates!"
             channel_ids = list(renamed_channel_ids)
         else:
-            # Collect channel IDs from all recordings
-            all_channels_have_same_type = np.unique([rec.channel_ids.dtype for rec in recording_list]).size == 1
-            all_channel_ids_are_unique = False
+            # Explicitly check if all channel_ids arrays are either all integers or all strings.
+            all_int_dtype = all(np.issubdtype(rec.channel_ids.dtype, np.integer) for rec in recording_list)
+            all_str_dtype = all(np.issubdtype(rec.channel_ids.dtype, np.str_) for rec in recording_list)
+
+            all_channels_have_same_type = all_int_dtype or all_str_dtype
             if all_channels_have_same_type:
                 combined_ids = np.concatenate([rec.channel_ids for rec in recording_list])
                 all_channel_ids_are_unique = np.unique(combined_ids).size == num_all_channels

src/spikeinterface/core/channelslice.py

@@ -31,9 +31,9 @@ def __init__(self, parent_recording, channel_ids=None, renamed_channel_ids=None)
         parents_chan_ids = parent_recording.get_channel_ids()
 
         # some checks
-        assert all(
-            chan_id in parents_chan_ids for chan_id in self._channel_ids
-        ), "ChannelSliceRecording : channel ids are not all in parents"
+        is_channel_in_parent = [chan_id in parents_chan_ids.tolist() for chan_id in self._channel_ids.tolist()]
+        assert all(is_channel_in_parent), "ChannelSliceRecording : channel ids are not all in parents"
+
         assert len(self._channel_ids) == len(
             self._renamed_channel_ids
         ), "ChannelSliceRecording: renamed channel_ids must be the same size"