code: def set_allow_float64(b):
      global _allow_float64
      _allow_float64 = b
  
imports: import numpy
  from numpy import bool_
  from numpy import int_
  from numpy import int16
  from numpy import int32
  from numpy import int64
  from numpy import int8
  from numpy import uint16
  from numpy import uint32
  from numpy import uint64
  from numpy import uint8
  from numpy import float_
  from numpy import float16
  from numpy import float32
  from numpy import float64
  from numpy import complex_
  from numpy import complex64
  from numpy import complex128
  from numpy import inexact
  from numpy import iinfo
  from numpy import issubdtype
  from numpy import inf
  from tensorflow.compat.v2 import bfloat16
label_desc: Use image node_id 2 for calling a global function with example usage: set_allow_float64(b) without return types