def p_arglist_list1(p):
    arg = p[1]
    arg.lineno = p.lineno(2)
    p[0] = [arg]
Tracks a metric for a specific ``unique_identifier`` for a certain date.
dataset/ETHPy150Open nucleic/enaml/enaml/core/parser.py/p_arglist_list1--crossover with--dataset/ETHPy150Open numan/py-analytics/analytics/backends/base.py/BaseAnalyticsBackend.track_metric