code: def _eigvalsh_tf(density_matrix):
      evs = _i("tf").linalg.eigvalsh(density_matrix)
      evs = _i("tf").math.real(evs)
      return evs
  
imports: from importlib import import_module
  import autoray
  import numpy
  import semantic_version
  from scipy.linalg import block_diag
  from .utils import get_deep_interface
label_desc: Use image node_id 22 for calling a global function with example usage: _eigvalsh_tf(density_matrix) and returns: evs