diff --git a/bit_manipulation/multibit_manipulation.py b/bit_manipulation/multibit_manipulation.py
index 3c183f30b..14d3bf2e3 100644
--- a/bit_manipulation/multibit_manipulation.py
+++ b/bit_manipulation/multibit_manipulation.py
@@ -231,7 +231,6 @@ def multibit_remove(bint: int, index: int, bit_len: int) -> int:
 
 
 if __name__ == "__main__":
-
     import doctest
 
     doctest.testmod()