pylint #6006 -r / --reports option ignored [rejected]

Takanori Ishikawa reports:

pylint: -r/--reports option doesn't work. The following command still outputs reports:
% pylint --reports=no module
versions and environment:
% uname -a
Darwin macbook3.local 9.4.0 Darwin Kernel Version 9.4.0: Mon Jun  9 19:30:53 PDT 2008; root:xnu-1228.5.20~1/RELEASE_I386 i386
% python --version
Python 2.5.1
% pylint --version
No config file found, using default configuration
pylint 0.15.0,
astng 0.17.3, common 0.35.0
Python 2.5.1 (r251:54863, Apr 15 2008, 22:57:26)
[GCC 4.0.1 (Apple Inc. build 5465)]
on Mac OS X 10.5.4.
I gave a quick look at the pylint source code. Removing optparse 'default' option fixes this problem (see attachment), but I don't know why.
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