$ ./3.4/bin/python setup.py test
...
Traceback (most recent call last):
  File "setup.py", line 292, in <module>
    test_suite='bpython.test'
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/distutils/core.py", line 148, in setup
    dist.run_commands()
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/distutils/dist.py", line 955, in run_commands
    self.run_command(cmd)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/distutils/dist.py", line 974, in run_command
    cmd_obj.run()
  File "/private/tmp/bpython/3.4/lib/python3.4/site-packages/setuptools/command/test.py", line 142, in run
    self.with_project_on_sys_path(self.run_tests)
  File "/private/tmp/bpython/3.4/lib/python3.4/site-packages/setuptools/command/test.py", line 122, in with_project_on_sys_path
    func()
  File "/private/tmp/bpython/3.4/lib/python3.4/site-packages/setuptools/command/test.py", line 163, in run_tests
    testRunner=self._resolve_as_ep(self.test_runner),
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/unittest/main.py", line 92, in __init__
    self.parseArgs(argv)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/unittest/main.py", line 139, in parseArgs
    self.createTests()
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/unittest/main.py", line 146, in createTests
    self.module)
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/unittest/loader.py", line 146, in loadTestsFromNames
    suites = [self.loadTestsFromName(name, module) for name in names]
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/unittest/loader.py", line 146, in <listcomp>
    suites = [self.loadTestsFromName(name, module) for name in names]
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/unittest/loader.py", line 117, in loadTestsFromName
    return self.loadTestsFromModule(obj)
  File "/private/tmp/bpython/3.4/lib/python3.4/site-packages/setuptools/command/test.py", line 37, in loadTestsFromModule
    tests.append(self.loadTestsFromName(submodule))
  File "/opt/local/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/unittest/loader.py", line 105, in loadTestsFromName
    module = __import__('.'.join(parts_copy))
  File "/private/tmp/bpython/bpython/test/test_args.py", line 21, in <module>
    @attr(speed='slow')
TypeError: attr() missing 1 required positional argument: 'func'