Merge pull request #1535 from alejoe91/fix-biocam-dtype

Fix biocam dtype

neo/rawio/biocamrawio.py

@@ -148,7 +148,7 @@ def _get_analogsignal_chunk(self, block_index, seg_index, i_start, i_stop, strea
                 step = channel_indexes.step or 1
                 channel_indexes = [ch for ch in range(start, stop, step)]
 
-            sig_chunk = np.zeros((i_stop - i_start, len(channel_indexes)))
+            sig_chunk = np.zeros((i_stop - i_start, len(channel_indexes)), dtype=data.dtype)
             # iterate through channels to prevent loading all channels into memory which can cause
             # memory exhaustion. See https://github.com/SpikeInterface/spikeinterface/issues/3303
             for index, channel_index in enumerate(channel_indexes):