Update arithmetic_analysis/jacobi_iteration_method.py

Co-authored-by: Christian Clauss <cclauss@me.com>

arithmetic_analysis/jacobi_iteration_method.py

@@ -64,7 +64,6 @@ def jacobi_iteration_method(
     ValueError: Number of initial values must be equal to number of rows in coefficient
                 matrix but received 2 and 3
 
-
     >>> coefficient = np.array([[4, 1, 1], [1, 5, 2], [1, 2, 4]])
     >>> constant = np.array([[2], [-6], [-4]])
     >>> init_val = [0.5, -0.5, -0.5]