new_contents: 
  from iminuit import Minuit
  from iminuit.util import make_func_code
  
  class Min_Func:
      def __init__(self, f, names):
          self.f = f
          self.func_code = make_func_code(names)
          self.func_defaults = None
      def __call__(self, *args):
          return self.f(args)
  
  def fmin_minuit(func, names, x0):
      inits = dict()
      for n, x in zip(names, x0):
          inits[n] = x
  
      m = Minuit(Min_Func(func, names), print_level=2, **inits)
      m.migrad()
      return m
  
  
subject: Add missing minuit.py