def as_mutable(self):
        return Matrix(self)
Special 'everyone' group sets perms for everyone
dataset/ETHPy150Open sympy/sympy/sympy/matrices/dense.py/DenseMatrix.as_mutable--crossover with--dataset/ETHPy150Open mathcamp/pypicloud/tests/test_access_backends.py/TestBaseBackend.test_group_everyone