human
Solve the following python programming problem given the following code:
def config(settings) : 
    '
        PIANGO
        http://www.piango.org

        Initially for the Cyclone Winston response
        Fiji Council of Social Services
        http://www.piango.org/PIANGO/NLU/NLUs/fiji.html
    ' 
    T = current.T 
    settings.base.prepopulate += ('PIANGO', 'default/users') 
    settings.mail.approver = 'ADMIN' 
    settings.gis.countries = ('FJ',) 
    settings.gis.legend = 'float' 
    settings.L10n.utc_offset = '+1200' 
    settings.L10n.decimal_separator = '.' 
    settings.L10n.thousands_separator = ',' 
    settings.fin.currencies = { 
        'EUR' : 'Euros', 
        'FJD' : 'Fiji Dollars', 
        'GBP' : 'Great British Pounds', 
        'USD' : 'United States Dollars', 
} 
    settings.fin.currency_default = 'USD' 
    settings.security.policy = 8 
    settings.org.sector = True 
    settings.ui.cluster = True 
    settings.org.resources_tab = True 
    settings.org.groups = 'Organization Group' 
    settings.project.mode_3w = True 
    settings.project.mode_drr = True 
    settings.project.activities = True 
    settings.project.activity_types = True 
    settings.project.codes = True 
    settings.project.demographics = True 
    settings.project.hazards = True 
    settings.project.programmes = True 
    settings.project.projects = True 
    settings.project.themes = True 
    settings.project.multiple_organisations = True 
    settings.req.req_type = ('Stock', 'Other') 
    def customise_project_activity_resource(r, tablename) : 
        s3db = current.s3db 
        if (r.tablename == 'project_project') : 
            from s3 import S3SQLCustomForm, S3SQLInlineComponent, S3SQLInlineLink 
            table = s3db.project_sector_project 
            query = ((table.project_id == r.id) & (table.deleted == False)) 
            rows = current.db (query).select (table.sector_id) 
            sector_ids = [row.sector_id for row in rows] 
            crud_form = S3SQLCustomForm ('name', 'status_id', S3SQLInlineLink ('sector', field = 'sector_id', label = T...
    
    Given the code above, what is a proper replacement for <MASK>?
assistant
#Here is a proper replacement for <MASK>.
customise_project_activity_resource