Apply reorder-python-imports to all files

bench/bench_argcomplete.py

@@ -2,7 +2,6 @@
 #                      2.7.5     3.3.2
 # FilesCompleter       75.1109   69.2116
 # FastFilesCompleter    0.7383    1.0760
-
 import timeit
 
 imports = [

bench/skip.py

@@ -1,4 +1,5 @@
 from six.moves import range
+
 import pytest