When I run arc lint using the ExampleLintEngine on some py file I got the following error, looks like -iy is not a valid command option. I use pylint version 1.1.0 on Mac OS X 10.9. Removing the -iy option works fine.

(venv)Erics-MacBook-Pro:ekwan$ arc lint --lintall blah.py
Exception
Some linters failed:

• ArcanistPyLintLinter: CommandException: Command failed with error #32! COMMAND /usr/bin/env PYTHONPATH=''$PYTHONPATH 'pylint' -rn -iy '/Users/ekwan/code/operator/OperatorServer/opsettings.py'
  
  STDOUT (empty)
  
  STDERR No config file found, using default configuration Usage: pylint [options] module_or_package
  
  Check that a module satisfies a coding standard (and more !).
  
  pylint --help
  
  Display this help message and exit.
  
  pylint --help-msg <msg-id>[,<msg-id>]
  
  Display help messages about given message identifiers and exit.

pylint: error: no such option: -i

(Run with --trace for a full exception trace.)

(venv)Erics-MacBook-Pro: ekwan$ pylint --version
No config file found, using default configuration
pylint 1.1.0,
astroid 1.0.1, common 0.60.1
Python 2.7.5 (default, Sep 12 2013, 21:33:34)
[GCC 4.2.1 Compatible Apple LLVM 5.0 (clang-500.0.68)]