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As described in #1622, it seems that
imp.find_module()
on Python 3.2 imports other modules, likeio
, while running. We don't want deepreload to catch those, so this restores the original import hook forfind_module
.It's not terribly neat, but I don't currently see a better way of doing it. Ideally, we'd just delay installing our
__import__
until afterfind_module
had run, but our implementation of__import__
can itself callfind_module
, so this little dance seems to be necessary.Closes gh-1622, and hopefully fixes a test failure we saw last night.