class_docstr: Temporarily changes the attr of an op.
class_docstr_tok: ["Temporarily","changes","the","attr","of","an","op","."]
code: def __exit__(self, ptype, value, trace):
      self.op.reset_attr(self.attr_key)
      if self.older_attr:
          self.op.set_attr(self.attr_key, self.older_attr)
  
imports: from tvm import relay
label_desc: Use image node_id 3 for calling the TempOpAttr obj's underlying member method code with example usage: obj.__exit__(ptype, value, trace) without return types