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CHM Input: Fix a regression in calibre 5.0 that broke opening of some files that dont specify a character encoding. Fixes #1922503 [E-book viewer: error opening a *.chm file](https://bugs.launchpad.net/calibre/+bug/1922503)

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py3 compat
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Kovid Goyal 2021-04-05 22:09:46 +05:30
parent 30f6fc5262
commit a031f07214
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src/calibre/ebooks/chm/reader.py
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@ -77,6 +77,8 @@ class CHMReader(CHMFile):
ans = lcid[0]
if ans:
try:
if isinstance(ans, bytes):
ans = ans.decode('ascii')
codecs.lookup(ans)
except Exception:
ans = None