message: python doesn't need semicolons
diff: @@ -21,7 +21,7 @@ class PeekingIterator(object):
  if not self.has_peeked_:
  self.has_peeked_ = True
  self.val_ = self.iterator.next()
  - return self.val_;
  + return self.val_
  def next(self):
  """
  @@ -30,7 +30,7 @@ class PeekingIterator(object):
  self.val_ = self.peek()
  self.has_peeked_ = False
  self.has_next_ = self.iterator.hasNext()
  - return self.val_;
  + return self.val_
  def hasNext(self):
  """
  