Before opening a new issue, we wanted to provide you with some useful suggestions (Click "Preview" above for a better view): In my application, I would like to minimize the lag as much as I can : I ...

Just to add that if I changed raw_ch_df = raw.to_data_frame (scale_time=100.0) [select_ch] intoraw_ch_df = raw.to_data_frame () [select_ch] It would pass that line but shows the following:python ...