Use our own touch_import in fix_int_long_tuple, so absolute_imports is added

Author: takluyver

libmodernize/fixes/fix_int_long_tuple.py

@@ -2,6 +2,7 @@
 
 from lib2to3 import fixer_base
 from lib2to3 import fixer_util
+from libmodernize import touch_import
 
 
 class FixIntLongTuple(fixer_base.BaseFix):
@@ -20,6 +21,6 @@ def transform(self, node, results):
             name = results['name']
             name.replace(fixer_util.Name('int', prefix=name.prefix))
         else:
-            fixer_util.touch_import(None, 'six', node)
+            touch_import(None, 'six', node)
             pair = results['pair']
             pair.replace(fixer_util.Name('six.integer_types', prefix=pair.prefix))

tests/test_fix_int_long_tuple.py

@@ -6,13 +6,15 @@
 INT_LONG_ISINSTANCE = ("""\
 isinstance(1, (int, long))
 """, """\
+from __future__ import absolute_import
 import six
 isinstance(1, six.integer_types)
 """)
 
 LONG_INT_ISINSTANCE = ("""\
 isinstance(1, (long, int))
 """, """\
+from __future__ import absolute_import
 import six
 isinstance(1, six.integer_types)
 """)