code: def test_env_func():
      @tvm.register_func("test.sequal.env_func")
      def test(x):
          return x + 1
  
      x = tvm.ir.EnvFunc.get("test.sequal.env_func")
      y = tvm.ir.EnvFunc.get("test.sequal.env_func")
      assert consistent_equal(y, x)
  
imports: import tvm
  import numpy
  import pytest
  from tvm import te
  from tvm.runtime import ObjectPath
  from tvm.script import tir, ir
label_desc: Use image node_id 9 for calling a global function with example usage: test_env_func() and returns: unknown