Fix: Issue 9588

Author: haxkd

Diff for: maths/base_neg2_conversion.py

@@ -1,7 +1,8 @@
 import doctest
-def decimal_to_negative_base_2(n):
+def decimal_to_negative_base_2(n: int) -> int:
     """
-    This function returns the number negative base 2 of the decimal number of the input data.
+    This function returns the number negative base 2 
+    of the decimal number of the input data.
 
     Args:
         int: The decimal number to convert.