File: fix_xrange_with_import.py

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"""
For the ``future`` package.

Turns any xrange calls into range calls and adds this import line:

    from builtins import range

at the top.
"""

from lib2to3.fixes.fix_xrange import FixXrange

from libfuturize.fixer_util import touch_import_top


class FixXrangeWithImport(FixXrange):
    def transform(self, node, results):
        result = super(FixXrangeWithImport, self).transform(node, results)
        touch_import_top('builtins', 'range', node)
        return result