Fixed typo

binarycpython/utils/functions.py

-"""
+ """
 Module containing most of the utility functions for the binarycpython package
 
 Functions here are mostly functions used in other classes/functions, or
@@ -1300,7 +1300,7 @@ def merge_dicts(dict_1: dict, dict_2: dict) -> dict:
             if (type(dict_1[key]) in [int, float, np.float64]) and (
                 type(dict_2[key]) in [int, float, np.float64]
             ):
-                new_dict[key] = dict_1[ke] + dict_2[key]
+                new_dict[key] = dict_1[key] + dict_2[key]
 
             else:
                 print(