diff --git a/lux/core/frame.py b/lux/core/frame.py
index 462c8e05..e4ed9e3e 100644
--- a/lux/core/frame.py
+++ b/lux/core/frame.py
@@ -21,6 +21,7 @@
 from lux.utils.message import Message
 from lux.utils.utils import check_import_lux_widget
 from typing import Dict, Union, List, Callable
+
 # from lux.executor.Executor import *
 import warnings
 import traceback
diff --git a/lux/utils/date_utils.py b/lux/utils/date_utils.py
index 0960d7ef..66086f1c 100644
--- a/lux/utils/date_utils.py
+++ b/lux/utils/date_utils.py
@@ -15,6 +15,7 @@
 import pandas as pd
 import lux
 
+
 def date_formatter(time_stamp, ldf):
     """
     Given a numpy timestamp and ldf, inspects which date granularity is appropriate and reformats timestamp accordingly
@@ -38,7 +39,7 @@ def date_formatter(time_stamp, ldf):
     date_str: str
             A reformatted version of the time_stamp according to granularity
     """
-    
+
     inverted_data_type = lux.config.executor.invert_data_type(ldf.data_type)
     # TODO: method for data_type_lookup to data_type
     datetime = pd.to_datetime(time_stamp)