old_contents: # coding=utf-8
  """
  Some simple, generic usefull methods.
  """
  
  import subprocess
  import sys
  
  
  def find(seq, test):
      """ Return first item in sequence where test(item) == True """
      for item in seq:
          if test(item):
              return item
  
  
  def uniq(seq):
      """ Return a copy of seq without duplicates. """
      seen = set()
      return [x for x in seq if str(x) not in seen and not seen.add(str(x))]
  
  
  def execute(cmd, cwd=None):
      """ Execute a command and return it's output. """
      try:
          lines = subprocess.check_output(cmd, cwd=cwd).splitlines()
      except subprocess.CalledProcessError:
          return None
      else:
          if lines:
              return decode(lines[0].strip())
          else:
              return None
  
  
  def decode(s):
      """
      Decode a string using the system encoding if needed (ie byte strings)
      """
      if isinstance(s, bytes):
          return s.decode(sys.getdefaultencoding())
      else:
          return s
  
new_contents: # coding=utf-8
  """
  Some simple, generic usefull methods.
  """
  
  import subprocess
  import sys
  
  
  def find(seq, test):
      """ Return first item in sequence where test(item) == True """
      for item in seq:
          if test(item):
              return item
  
  
  def uniq(seq):
      """ Return a copy of seq without duplicates. """
      seen = set()
      return [x for x in seq if str(x) not in seen and not seen.add(str(x))]
  
  
  def execute(cmd, cwd=None):
      """ Execute a command and return it's output. """
      try:
          lines = subprocess\
              .check_output(cmd, cwd=cwd, stderr=subprocess.DEVNULL)\
              .splitlines()
      except subprocess.CalledProcessError:
          return None
      else:
          if lines:
              return decode(lines[0].strip())
          else:
              return None
  
  
  def decode(s):
      """
      Decode a string using the system encoding if needed (ie byte strings)
      """
      if isinstance(s, bytes):
          return s.decode(sys.getdefaultencoding())
      else:
          return s
  
subject: Hide stderr messages when detecting git dir