Add google-endpoints to third_party/.

third_party/google-endpoints/libpasteurize/fixes/fix_add_all__future__imports.py

+"""
+Fixer for adding:
+
+    from __future__ import absolute_import
+    from __future__ import division
+    from __future__ import print_function
+    from __future__ import unicode_literals
+
+This is done when converting from Py3 to both Py3/Py2.
+"""
+
+from lib2to3 import fixer_base
+from libfuturize.fixer_util import future_import
+
+class FixAddAllFutureImports(fixer_base.BaseFix):
+    BM_compatible = True
+    PATTERN = "file_input"
+    run_order = 1
+
+    def transform(self, node, results):
+        future_import(u"unicode_literals", node)
+        future_import(u"print_function", node)
+        future_import(u"division", node)
+        future_import(u"absolute_import", node)
+