Sort imports with isort

Keep imports alphabetically sorted and their order homogeneous across
Python source files.

The isort project has more feature and is more active than the
flake8-import-order plugin.

Most issues caught were simply import ordering from the same module.
Where imports were purposefully placed out of order, tag with
isort:skip.

1 files changed, 3 insertions, 6 deletions

diff --git a/tests/test_intl.py b/tests/test_intl.py
index c0b87d5ce..de242be72 100644
--- a/tests/test_intl.py
+++ b/tests/test_intl.py
@@ -13,16 +13,13 @@ import os
 import re
 
 import pytest
-from babel.messages import pofile, mofile
+from babel.messages import mofile, pofile
 from babel.messages.catalog import Catalog
 from docutils import nodes
 
 from sphinx import locale
-from sphinx.testing.util import (
-    path, etree_parse, strip_escseq,
-    assert_re_search, assert_not_re_search, assert_startswith, assert_node
-)
-
+from sphinx.testing.util import (assert_node, assert_not_re_search, assert_re_search,
+                                 assert_startswith, etree_parse, path, strip_escseq)
 
 sphinx_intl = pytest.mark.sphinx(
     testroot='intl',