Run yapf on files in webkit/layout_tests/.

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/mac.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/mac.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/mac.py b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/mac.py
index dbb98f9287e6c8bc0c970548c3a4d5edba63d0e0..10e67fa3040075d8d486d655aa3a1d9ced2d2f02 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/mac.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/mac.py
@@ -25,7 +25,6 @@
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
 """Chromium Mac implementation of the Port interface."""
 
 import logging
@@ -33,7 +32,6 @@ import signal
 
 from webkitpy.layout_tests.port import base
 
-
 _log = logging.getLogger(__name__)
 
 
@@ -63,7 +61,7 @@ class MacPort(base.Port):
     @classmethod
     def determine_full_port_name(cls, host, options, port_name):
         if port_name.endswith('mac'):
-            if host.platform.os_version in ('future',):
+            if host.platform.os_version in ('future', ):
                 version = 'mac10.11'
             else:
                 version = host.platform.os_version