rearrenged whitespaces and blank lines to make pep8 checker happy

tests/test_config.py

@@ -51,7 +51,7 @@ def test_command_line_append_flags():
 
 def test_command_line_appends_correctly():
     """
-    Test multiple appending options set by environmental variables. 
+    Test multiple appending options set by environmental variables.
 
     """
     environ = clear_environ(os.environ.copy())
@@ -63,7 +63,6 @@ def test_command_line_appends_correctly():
     assert "Analyzing links from page http://example.com" in result.stdout
 
 
-
 def test_config_file_override_stack():
     """
     Test config files (global, overriding a global config with a

tests/test_pip.py

@@ -445,6 +445,7 @@ def assert_all_changes(start_state, end_state, expected_changes):
     # Don't throw away this potentially useful information
     return diff
 
+
 def _create_test_package(env):
     mkdir('version_pkg')
     version_pkg_path = env.scratch_path/'version_pkg'

tests/test_vcs_backends.py

@@ -27,6 +27,7 @@ def test_git_with_branch_name_as_revision():
     version = env.run('version_pkg')
     assert 'some different version' in version.stdout
 
+
 def test_git_with_tag_name_as_revision():
     """
     Git backend should be able to install from tag names