diff --git a/openfl/federated/data/loader_gandlf.py b/openfl/federated/data/loader_gandlf.py
index 95711d0b1d..648ebe2930 100644
--- a/openfl/federated/data/loader_gandlf.py
+++ b/openfl/federated/data/loader_gandlf.py
@@ -25,7 +25,7 @@ def __init__(self, data_path, feature_shape):
             data_path (str): The path to the directory containing the data.
             feature_shape (tuple): The shape of an example feature array.
         """
-        if 'inference' in data_path:
+        if "inference" in data_path:
             self.train_csv = None
         else:
             self.train_csv = data_path + "/train.csv"