scmposix: use absolute_import

mercurial/scmposix.py

@@ -1,5 +1,11 b''
-import sys, os
-import osutil
+from __future__ import absolute_import
+
+import os
+import sys
+
+from . import (
+    osutil,
+)
 
 def _rcfiles(path):
     rcs = [os.path.join(path, 'hgrc')]

tests/test-check-py3-compat.t

@@ -121,7 +121,6 b''
   mercurial/patch.py not using absolute_import
   mercurial/pvec.py not using absolute_import
   mercurial/py3kcompat.py not using absolute_import
-  mercurial/scmposix.py not using absolute_import
   setup.py not using absolute_import
   tests/filterpyflakes.py requires print_function
   tests/generate-working-copy-states.py requires print_function