diff --git a/libqfieldsync/utils/file_utils.py b/libqfieldsync/utils/file_utils.py
index 70658e8..e50fd2b 100644
--- a/libqfieldsync/utils/file_utils.py
+++ b/libqfieldsync/utils/file_utils.py
@@ -191,6 +191,7 @@ def isascii(filename: str) -> bool:
         except UnicodeEncodeError:
             return False
 
+
 def is_valid_filename(filename: str) -> bool:
     """
     Check if the filename is valid.
@@ -201,8 +202,10 @@ def is_valid_filename(filename: str) -> bool:
         r'[^\\\/:*"?<>|]{1,254}'
         r"(?<![\s\.])$"
     )
+
     return bool(pattern.match(filename))
 
+
 def is_valid_filepath(path: str) -> bool:
     """
     Check if the entire path is valid by validating each part of the path.
@@ -211,4 +214,5 @@ def is_valid_filepath(path: str) -> bool:
     for part in path_obj.parts:
         if not is_valid_filename(part):
             return False
-    return True
\ No newline at end of file
+
+    return True