code: def test_Frac_postprocess():
      opt = {"frac": True}
      Frac.postprocess(opt)
  
      assert opt == {"frac": True}
  
imports: from sympy.polys.polyoptions import Options, Expand, Gens, Wrt, Sort, Order, Field, Greedy, Domain, Split, Gaussian, Extension, Modulus, Symmetric, Strict, Auto, Frac, Formal, Polys, Include, All, Gen, Symbols, Method
  from sympy.polys.orderings import lex
  from sympy.polys.domains import FF, GF, ZZ, QQ, QQ_I, RR, CC, EX
  from sympy.polys.polyerrors import OptionError, GeneratorsError
  from sympy.core.numbers import I, Integer
  from sympy.core.symbol import Symbol
  from sympy.functions.elementary.miscellaneous import sqrt
  from sympy.testing.pytest import raises
  from sympy.abc import x, y, z
label_desc: Use image node_id 33 for calling a global function with example usage: test_Frac_postprocess() without return types