shows a data file in CSV format - all files live in CORE folder

def show_data_file(fname):
    """ shows a data file in CSV format - all files live in CORE folder """
    txt = '<H2>' + fname + '</H2>'
    print (fname)
    #try:
    txt += web.read_csv_to_html_table(fname, 'Y')  # it is ok to use a table for actual table data
    #except:
    #	txt += '<H2>ERROR - cant read file</H2>'
    #txt += web.read_csv_to_html_list(fname)  # only use this for single column lists
    
    txt += '</div>\n'
    return txt