Resolve E722 do not use bare except

Resolve E722 do not use bare except

Bare exceptions violates one of Pythons idioms that bare exceptions
should not be used. The reason for this is that a bare except catches
all exceptions and can make programming errors look like runtime
problems making debugging more difficult.

Change-Id: I7006639302ef2efc9301c384c19218dd6783c825
Ref: https://docs.python.org/3.1/howto/doanddont.html#except
Signed-off-by: Thanh Ha <zxiiro@gmail.com>