style: format code with black
diff --git a/erpnext/regional/france/utils.py b/erpnext/regional/france/utils.py
index 8413165..65dfd2d 100644
--- a/erpnext/regional/france/utils.py
+++ b/erpnext/regional/france/utils.py
@@ -2,8 +2,7 @@
 # For license information, please see license.txt
 
 
-
 # don't remove this function it is used in tests
 def test_method():
-	'''test function'''
-	return 'overridden'
+	"""test function"""
+	return "overridden"