parameters: (datetime_obj)
return_statement: return (
        int(calendar.timegm(datetime_obj.timetuple()) * 1000) +
        datetime_obj.microsecond / 1000)
docstring: Returns time since the epoch in ms for the given UTC datetime object.
docstring_summary: Returns time since the epoch in ms for the given UTC datetime object.
docstring_tokens: Returns time since the epoch in ms for the given UTC datetime object .
function: def _timestamp_ms_for_datetime(datetime_obj):
    """Returns time since the epoch in ms for the given UTC datetime object."""
    return (
        int(calendar.timegm(datetime_obj.timetuple()) * 1000) +
        datetime_obj.microsecond / 1000)
function_tokens: def _timestamp_ms_for_datetime ( datetime_obj ) : return ( int ( calendar . timegm ( datetime_obj . timetuple ( ) ) * 1000 ) + datetime_obj . microsecond / 1000 )