class_docstr: Info to generate a TPU.
class_docstr_tok: ["Info","to","generate","a","TPU","."]
code: def valid_machine_type(self, machine_type: MachineType) -> bool:
      return machine_type in self.allowed_machine_types()
  
imports: import argparse
  from enum import Enum
  from typing import Callable, List, NamedTuple, Optional, Set, Union
  import caliban.util
label_desc: Use image node_id 7 for calling the TPUSpec obj's underlying member method code with example usage: obj.valid_machine_type(machine_type) and returns: unknown