... This is a brief tutorial for configuring and running a first script (e.g. qc_mstplt.py on DARK or BIAS frames). ... For consistency, it is recommended give the copy a name of the form config_<IDENTIFIER>.py where <IDENTIFIER> is at your choice but should denote the raw type, e.g. 'dark', 'flat', etc and (if needed) the setting. ... Edit it and replace config_bias_lg by config_<IDENTIFIER> (without '.py' ending) and DARK with the OCA <RAW_TYPE> for which you are configuring the script. ...