refactoring: added line at end of file

src/main/py/read_math_function.py

@@ -56,4 +56,4 @@ def simplify_easy_math_function(type, function):
 def extract_constant(function):
     coefficient, constant = function.split('x', 1) if 'x' in function else (function, '')
     constant = constant.lstrip('+')
-    return [constant, f"{coefficient}x"]
+    return [constant, f"{coefficient}x"]