new_contents: # coding: utf-8
  
  #-------------------------------------------------------------------------------
  # Strings
  #-------------------------------------------------------------------------------
  
  def isBlank(s):
      """Check if string is empty or whitespace-only
      """
      return not isNotBlank(s)
  
  def isNotBlank(s):
      """Check if string is empty or whitespace-only
      """
      return bool(s and s.strip())
subject: Add utils library