old_contents: from __future__ import abstract_import, division, print_function, unicode_literals
  import os
  import re
  import sys
  
  
  class M3U:
  
      def __init__(self, filename):
          self.extm3u = False
          self.dir = os.path.dirname(filename)
          self.files = []
  
          with open(filename, 'r') as f:
              blank_pattern = re.compile("^\s*$")
              comment_pattern = re.compile('^\s*#')
              extm3u = False
              line_no = 0
              n = 0
              for line in f:
                  line = line.strip("\r\n")
                  if line_no == 0 and line == '#EXTM3U':
                      this.extm3u = True
                  elif blank_pattern.match(line):
                      pass
                  elif comment_pattern.match(line):
                      pass
                  else:
                      file = os.path.join(self.dir, line)
                      self.files.append(file)
                  line_no += 1
  
  
new_contents: from __future__ import division, print_function, unicode_literals
  import os
  import re
  import sys
  
  
  class M3U:
  
      def __init__(self, filename):
          self.extm3u = False
          self.dir = os.path.dirname(filename)
          self.files = []
  
          with open(filename, 'r') as f:
              blank_pattern = re.compile("^\s*$")
              comment_pattern = re.compile('^\s*#')
              extm3u = False
              line_no = 0
              n = 0
              for line in f:
                  line = line.strip("\r\n")
                  if line_no == 0 and line == '#EXTM3U':
                      this.extm3u = True
                  elif blank_pattern.match(line):
                      pass
                  elif comment_pattern.match(line):
                      pass
                  else:
                      file = os.path.join(self.dir, line)
                      self.files.append(file)
                  line_no += 1
  
  
subject: Fix typo.