\samp{import site} somewhere near the top of their code. This is no

longer necessary.

\indexiii{module}{search}{path}

It starts by constructing up to four directories from a head and a

tail part. For the head part, it uses \code{sys.prefix} and

\code{sys.exec_prefix}; empty heads are skipped. For

the tail part, it uses the empty string (on Macintosh or Windows) or

\file{lib/site-python} (on \UNIX{}). For each of the distinct

head-tail combinations, it sees if it refers to an existing directory,

and if so, adds to \code{sys.path}, and also inspected for path