class_docstr: Represents probability space for
  random matrices. It contains the mechanics
  for handling the API calls for random matrices.
code: def model(self):
      try:
          return self.args[1]
      except IndexError:
          return None
  
imports: from sympy.core.basic import Basic
  from sympy.stats.rv import PSpace, _symbol_converter, RandomMatrixSymbol
label_desc: Use image node_id 2 for calling the RandomMatrixPSpace obj's underlying member method code with example usage: obj.model() and returns: self, None