12883ed44bd820e1693819d0a08acaa6d10afd6f,scipy/optimize/_linprog_util.py,,_format_A_constraints,#Any#Any#Any#,72

Before Change

    if A is not None:
        return _to_lhs_constraint(A, dtype=float, copy=True)
    elif sparse_lhs:
        return _to_lhs_constraint((0, n_x), dtype=float)
    else:
        return np.zeros((0, n_x), dtype=float)

After Change

    
    if sparse_lhs:
        return sps.coo_matrix(
            (0, n_x) if A is None else A, dtype=float, copy=True
        )
    elif A is None:
        return np.zeros((0, n_x), dtype=float)
    else:
        return np.array(A, dtype=float, copy=True)

Instances