Invalid "undefined variable __class__"

[anntzer]

Steps to reproduce

$ cat /tmp/test.py
class Class:
    def method(self):
        print(__class__)


Class().method()
$ pylint --rcfile=/dev/null /tmp/test.py
************* Module test
C:  1, 0: Missing module docstring (missing-docstring)
C:  1, 0: Missing class docstring (missing-docstring)
C:  2, 4: Missing method docstring (missing-docstring)
E:  3,14: Undefined variable '__class__' (undefined-variable)
R:  2, 4: Method could be a function (no-self-use)
R:  1, 0: Too few public methods (1/2) (too-few-public-methods)

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Your code has been rated at -15.00/10 (previous run: -15.00/10, +0.00)

Current behavior

pylint thinks __class__ is undefined.

Expected behavior

__class__ is actually defined (on Py3) and set to the containing class.

pylint --version output

No config file found, using default configuration
pylint 2.0.0, 
astroid 1.5.0
Python 3.6.0 (default, Jan 16 2017, 12:12:55) 
[GCC 6.3.1 20170109]

[rogalski]

Thanks for reporting a bug!

[PCManticore]

Thank you. I didn't know this.