diff --git a/spyglass_plugin_xls/excel_parser.py b/spyglass_plugin_xls/excel_parser.py
index ab9873b..4a22224 100644
--- a/spyglass_plugin_xls/excel_parser.py
+++ b/spyglass_plugin_xls/excel_parser.py
@@ -28,7 +28,6 @@ LOG = logging.getLogger(__name__)
 
 class ExcelParser(object):
     """Parse data from excel into a dict"""
-
     def __init__(
             self, file_name: str, excel_specs: str, spec: str = 'xl_spec'):
         """Initializes an ExcelParser to extract data from the Excel workbook
diff --git a/test-requirements.txt b/test-requirements.txt
index b423923..8a0a235 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,7 @@ pytest-cov==2.6.1
 # Formatting
 flake8==3.7.8
 flake8-import-order==0.18.1
-yapf==0.27.0
+yapf==0.28.0
 
 # Linting
 hacking==1.1.0
diff --git a/tests/unit/test_excel.py b/tests/unit/test_excel.py
index cdb35af..7f557f6 100644
--- a/tests/unit/test_excel.py
+++ b/tests/unit/test_excel.py
@@ -40,7 +40,6 @@ SITE_CONFIG_PATH = os.path.join(FIXTURE_DIR, 'site_config.yaml')
 @pytest.mark.usefixtures('site_data')
 class TestExcelPlugin(unittest.TestCase):
     """Tests for ExcelPlugin"""
-
     def test___init__(self):
         region = 'test_region'
         result = ExcelPlugin(