code: def test_sympy_to_sympy():
      assert to_sympy(m) == m
  
file_path: sympy/sympy/physics/quantum/tests/test_matrixutils.py
imports: from sympy.core.random import randint
  from sympy.core.numbers import Integer
  from sympy.matrices.dense import Matrix, ones, zeros
  from sympy.physics.quantum.matrixutils import to_sympy, to_numpy, to_scipy_sparse, matrix_tensor_product, matrix_to_zero, matrix_zeros, numpy_ndarray, scipy_sparse_matrix
  from sympy.external import import_module
  from sympy.testing.pytest import skip
label_desc: Use image node_id 1 for calling a global function with example usage: test_sympy_to_sympy() without return types