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utils: fix unimporting partially-imported modules

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Previously, delattr from the parent package might throw KeyError.
This commit is contained in:
Jan Pochyla 2019-01-29 13:57:24 +01:00
parent 75e65bbb2d
commit 2c2930c663
1 changed files with 5 additions and 1 deletions
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6
src/trezor/utils.py
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@ -28,8 +28,12 @@ def unimport_end(mods):
continue continue
path = mod[:i] path = mod[:i]
name = mod[i + 1 :] name = mod[i + 1 :]
if path in sys.modules: try:
delattr(sys.modules[path], name) delattr(sys.modules[path], name)
except KeyError:
# either path is not present in sys.modules, or module is not
# referenced from the parent package. both is fine.
pass
# collect removed modules # collect removed modules
gc.collect() gc.collect()