old_contents: from __future__ import print_function
  __author__ = 'ragomez'
  
  
  class MultiplesOf7(object):
  
      def __init__(self, n):
          self.n = n
          self.num = 0
  
      def next(self):
          self.num += 7
          if self.num < self.n:
              return self.num
          else:
              raise StopIteration
  
      def __iter__(self):
          return self
  
  limit = 100
  
  for number in MultiplesOf7(limit):
      print(number)
new_contents: from __future__ import print_function
  __author__ = 'ragomez'
  
  
  class MultiplesOf7(object):
  
      def __init__(self, n):
          self.n = n
          self.num = 0
  
      def next(self):
          self.num += 7
          if self.num < self.n:
              return self.num
          else:
              raise StopIteration
  
      def __iter__(self):
          return self
  
  limit = 100
  
  for number in MultiplesOf7(limit):
      print(number)
  
subject: fix pep8 issue