Replace memoize by functools.lru_cache

stdlib contains now a tool that replaces memoize and had an optimized C version.

added easy trytond type::performance + 1 deleted label

assigned to @dave

added 1 deleted label and removed 1 deleted label

New review286781002 at https://codereview.tryton.org/286781002/#ps272921002

review286781002 updated at https://codereview.tryton.org/286781002/#ps301081002

review286781002 updated at https://codereview.tryton.org/286781002/#ps275021003

New changeset 392e44a1e0b8 by David Harper in branch 'default':
Replace memoize with functools.lru_cache
https://hg.tryton.org/trytond/rev/392e44a1e0b8

added 1 deleted label and removed 1 deleted label

closed

New changeset edfeda3c77ac by Cédric Krier in branch 'default':
Replace memoize with functools.lru_cache
https://hg.tryton.org/tryton-env/rev/edfeda3c77ac