Pylint fixes

Pylint now checks for trailing new lines, this commit fixes them.

wlauto/tests/__init__.py

@@ -12,5 +12,3 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-
-

wlauto/tests/test_device.py

@@ -96,4 +96,3 @@ class RuntimeParametersTest(TestCase):
 def _instantiate(cls, *args, **kwargs):
     # Needed to get around Extension's __init__ checks
     return cls(*args, **kwargs)
-

wlauto/tests/test_diff.py

@@ -40,5 +40,3 @@ class InterruptDiffTest(TestCase):
         with open(expected_result_file) as fh:
             expected_diff = fh.read()
         assert_equal(output_diff, expected_diff)
-
-

wlauto/tests/test_extension_loader.py

@@ -48,4 +48,3 @@ class ExtensionLoaderTest(TestCase):
         assert_equal(len(devices), 1)
         assert_equal(devices[0].name, 'test-device')
         assert_equal(len(loader.list_extensions()), 1)
-

wlauto/tests/test_instrumentation.py

@@ -233,4 +233,3 @@ class InstrumentationTest(TestCase):
 def _instantiate(cls):
     # Needed to get around Extension's __init__ checks
     return cls()
-

wlauto/tests/test_utils.py

@@ -88,4 +88,3 @@ class TestTypes(TestCase):
         assert_equal(arguments('--foo 7 --bar "fizz buzz"'),
                      ['--foo', '7', '--bar', 'fizz buzz'])
         assert_equal(arguments(['test', 42]), ['test', '42'])
-