STring bug in openephysio.

Author: samuelgarcia

neo/rawio/openephysrawio.py

@@ -372,7 +372,7 @@ def _rescale_epoch_duration(self, raw_duration, dtype):
 
 
 continuous_dtype = [('timestamp', 'int64'), ('nb_sample', 'uint16'),
-    ('rec_num', 'uint16'), ('samples', 'int16', RECORD_SIZE),
+    ('rec_num', 'uint16'), ('samples', '>i2', RECORD_SIZE),
     ('markers', 'uint8', 10)]
 
 events_dtype = [('timestamp', 'int64'), ('sample_pos', 'int16'),