code: def blacklisted(self, expr):
      raise TypeError(
          "numexpr cannot be used with %s" % expr.__class__.__name__
      )
  
imports: from .pycode import PythonCodePrinter, MpmathPrinter
  from .numpy import NumPyPrinter
  from sympy.core.sorting import default_sort_key
label_desc: Use image node_id 6 for calling the NumExprPrinter obj's underlying member method code with example usage: obj.blacklisted(expr) without return types