pep8 good practices code

--HG--
branch : graingert/pep8-good-practices-code-1394196858258

doc/en/goodpractises.txt

@@ -1,4 +1,3 @@
-
 .. highlightlang:: python
 .. _`goodpractises`:
 
@@ -190,12 +189,16 @@ this to your ``setup.py`` file::
         user_options = []
         def initialize_options(self):
             pass
+
         def finalize_options(self):
             pass
+
         def run(self):
             import sys,subprocess
             errno = subprocess.call([sys.executable, 'runtests.py'])
             raise SystemExit(errno)
+
+
     setup(
         #...,
         cmdclass = {'test': PyTest},
@@ -220,20 +223,24 @@ Setuptools supports writing our own Test command for invoking pytest.
 Most often it is better to use tox_ instead, but here is how you can
 get started with setuptools integration::
 
-    from setuptools.command.test import test as TestCommand
     import sys
 
+    from setuptools.command.test import test as TestCommand
+
+
     class PyTest(TestCommand):
         def finalize_options(self):
             TestCommand.finalize_options(self)
             self.test_args = []
             self.test_suite = True
+
         def run_tests(self):
             #import here, cause outside the eggs aren't loaded
             import pytest
             errno = pytest.main(self.test_args)
             sys.exit(errno)
 
+
     setup(
         #...,
         tests_require=['pytest'],