How to use the pyedflib._extensions._pyedflib.set_gender function in pyEDFlib

def update_header(self):
        """
        Updates header to edffile struct
        """
        set_technician(self.handle, du(self.technician))
        set_recording_additional(self.handle, du(self.recording_additional))
        set_patientname(self.handle, du(self.patient_name))
        set_patientcode(self.handle, du(self.patient_code))
        set_patient_additional(self.handle, du(self.patient_additional))
        set_equipment(self.handle, du(self.equipment))
        set_admincode(self.handle, du(self.admincode))
        if isinstance(self.gender, int):
            set_gender(self.handle, self.gender)
        elif self.gender == "Male":
            set_gender(self.handle, 0)
        elif self.gender == "Female":
            set_gender(self.handle, 1)

        set_datarecord_duration(self.handle, self.duration)
        set_number_of_annotation_signals(self.handle, self.number_of_annotations)
        set_startdatetime(self.handle, self.recording_start_time.year, self.recording_start_time.month,
                          self.recording_start_time.day, self.recording_start_time.hour,
                          self.recording_start_time.minute, self.recording_start_time.second)
        if isstr(self.birthdate):
            if self.birthdate != '':
                birthday = datetime.strptime(self.birthdate, '%d %b %Y').date()
                set_birthdate(self.handle, birthday.year, birthday.month, birthday.day)
        else:
            set_birthdate(self.handle, self.birthdate.year, self.birthdate.month, self.birthdate.day)
        for i in np.arange(self.n_channels):
            set_samplefrequency(self.handle, i, self.channels[i]['sample_rate'])

def update_header(self):
        """
        Updates header to edffile struct
        """
        set_technician(self.handle, du(self.technician))
        set_recording_additional(self.handle, du(self.recording_additional))
        set_patientname(self.handle, du(self.patient_name))
        set_patientcode(self.handle, du(self.patient_code))
        set_patient_additional(self.handle, du(self.patient_additional))
        set_equipment(self.handle, du(self.equipment))
        set_admincode(self.handle, du(self.admincode))
        if isinstance(self.gender, int):
            set_gender(self.handle, self.gender)
        elif self.gender == "Male":
            set_gender(self.handle, 0)
        elif self.gender == "Female":
            set_gender(self.handle, 1)

        set_datarecord_duration(self.handle, self.duration)
        set_number_of_annotation_signals(self.handle, self.number_of_annotations)
        set_startdatetime(self.handle, self.recording_start_time.year, self.recording_start_time.month,
                          self.recording_start_time.day, self.recording_start_time.hour,
                          self.recording_start_time.minute, self.recording_start_time.second)
        if isstr(self.birthdate):
            if self.birthdate != '':
                birthday = datetime.strptime(self.birthdate, '%d %b %Y').date()
                set_birthdate(self.handle, birthday.year, birthday.month, birthday.day)
        else:
            set_birthdate(self.handle, self.birthdate.year, self.birthdate.month, self.birthdate.day)

"""
        Updates header to edffile struct
        """
        set_technician(self.handle, du(self.technician))
        set_recording_additional(self.handle, du(self.recording_additional))
        set_patientname(self.handle, du(self.patient_name))
        set_patientcode(self.handle, du(self.patient_code))
        set_patient_additional(self.handle, du(self.patient_additional))
        set_equipment(self.handle, du(self.equipment))
        set_admincode(self.handle, du(self.admincode))
        if isinstance(self.gender, int):
            set_gender(self.handle, self.gender)
        elif self.gender == "Male":
            set_gender(self.handle, 0)
        elif self.gender == "Female":
            set_gender(self.handle, 1)

        set_datarecord_duration(self.handle, self.duration)
        set_number_of_annotation_signals(self.handle, self.number_of_annotations)
        set_startdatetime(self.handle, self.recording_start_time.year, self.recording_start_time.month,
                          self.recording_start_time.day, self.recording_start_time.hour,
                          self.recording_start_time.minute, self.recording_start_time.second)
        if isstr(self.birthdate):
            if self.birthdate != '':
                birthday = datetime.strptime(self.birthdate, '%d %b %Y').date()
                set_birthdate(self.handle, birthday.year, birthday.month, birthday.day)
        else:
            set_birthdate(self.handle, self.birthdate.year, self.birthdate.month, self.birthdate.day)
        for i in np.arange(self.n_channels):
            set_samplefrequency(self.handle, i, self.channels[i]['sample_rate'])
            set_physical_maximum(self.handle, i, self.channels[i]['physical_max'])
            set_physical_minimum(self.handle, i, self.channels[i]['physical_min'])