code: def test_env_not_saved_in_builder():
      x_in_env = [1, 2, 3]
      design_matrix = dmatrix("x_in_env", {})
  
      x_in_env = [10, 20, 30]
      design_matrix2 = dmatrix(design_matrix.design_info, {})
  
      assert np.allclose(design_matrix, design_matrix2)
  
imports: import sys
  import __future__
  import six
  import numpy
  import pytest
  from patsy import PatsyError
  from patsy.design_info import DesignMatrix, DesignInfo
  from patsy.eval import EvalEnvironment
  from patsy.desc import ModelDesc, Term, INTERCEPT
  from patsy.categorical import C
  from patsy.contrasts import Helmert
  from patsy.user_util import balanced, LookupFactor
  from patsy.build import design_matrix_builders, build_design_matrices
  from patsy.highlevel import *
  from patsy.util import have_pandas, have_pandas_categorical, have_pandas_categorical_dtype, pandas_Categorical_from_codes
  from patsy.origin import Origin
label_desc: Use image node_id 23 for calling a global function with example usage: test_env_not_saved_in_builder() without return types