old_contents: import numpy as np
  from parameter import Parameter
  from polynomial import Polynomial
  from indexset import IndexSet
  from effectivequads import EffectiveSubsampling
  from computestats import Statistics
  import analyticaldistributions as analytical
  from utils import error_function, evalfunction
  from qr_factorization import mgs_pivoting, solveLSQ
  
new_contents: import numpy as np
  from parameter import Parameter
  from polynomial import Polynomial
  from indexset import IndexSet
  from effectivequads import EffectiveSubsampling
  from computestats import Statistics
  import analyticaldistributions as analytical
  from utils import error_function, evalfunction
  from qr import mgs_pivoting, solveLSQ
  
subject: Update base.py