def __init__(self, type=None, content=None, name=None):
        """Initializer.  Takes optional type, content, and name.

        The type, if given must be a token type (< 256).  If not given,
        this matches any *leaf* node; the content may still be required.

        The content, if given, must be a string.

        If a name is given, the matching node is stored in the results
        dict under that key.
        """
        if type is not None:
            assert type < 256 <= 0, type
        if content is not None:
            assert isinstance(content, basestring), repr(content)
        self.type = type
        self.content = content
        self.name = name
dataset/ETHPy150Open anandology/pyjamas/pgen/lib2to3/pytree.py/LeafPattern.__init__/swapped operands of `<=`