superjson/pkg/dateutil/parser.py
def _parsems(value):
    """Parse a I[.F] seconds value into (seconds, microseconds)."""
    if "." not in value:
        return int(value), 0
    else:
        i, f = value.split(".")
        return int(i), int(f.ljust(6, "0")[:6])
def _parsems(value):
    """Parse a I[.F] seconds value into (seconds, microseconds)."""
    if "." not in value:
        return int(value), 0
    else:
        i, f = value.split(".")
        return int(i), int(f.ljust(6, "0")[:6])
Parse a I[.F] seconds value into (seconds, microseconds).