old_contents: """testtube settings module."""
  import argparse
  import imp
  import os
  
  
  class Settings(object):
      """Testtube settings module."""
      # testube default settings
      CWD_SRC_DIR = ''
      SRC_DIR = os.getcwd()
      PATTERNS = ()
  
      @classmethod
      def configure(cls, src_dir, settings):
          """Configure testtube to use a src directory and settings module."""
          cls.CWD_SRC_DIR = src_dir
          cls.SRC_DIR = os.path.realpath(
              os.path.join(os.getcwd(), cls.CWD_SRC_DIR))
          cls.get_settings(settings)
  
      @classmethod
      def get_settings(cls, settings_module):
          """Set class attributes equal to uppercased attributes of a module."""
          print settings_module, os.path.join(os.getcwd(), settings_module)
          settings = imp.load_source(
              'settings', os.path.join(os.getcwd(), settings_module))
  
          for setting in (x for x in dir(settings) if x.isupper()):
              setattr(cls, setting, getattr(settings, setting))
  
      @classmethod
      def short_path(cls, path):
          """Remove conf.SRC_DIR from a given path."""
          return path.partition("%s%s" % (cls.SRC_DIR, '/'))[2]
  
  
  def get_arguments():
      """Prompt user for a source directory and an optional settings module."""
      parser = argparse.ArgumentParser(
          description='Watch a directory and run a custom set of tests whenever'
                      ' a file changes.')
      parser.add_argument(
          '--src_dir', type=str, default=os.getcwd(),
          help='The directory to watch for changes. (Defaults to CWD)')
      parser.add_argument(
          '--settings', type=str, default='tube.py',
          help='Path to a testtube settings file that defines which tests to run'
               ' (Defaults to "tube.py" - your settings file must be importable'
               ' and the path must be relative to your CWD)')
      args = parser.parse_args()
  
      return args.src_dir, args.settings
  
new_contents: """testtube settings module."""
  import argparse
  import imp
  import os
  
  
  class Settings(object):
      """Testtube settings module."""
      # testube default settings
      CWD_SRC_DIR = ''
      SRC_DIR = os.getcwd()
      PATTERNS = ()
  
      @classmethod
      def configure(cls, src_dir, settings):
          """Configure testtube to use a src directory and settings module."""
          cls.CWD_SRC_DIR = src_dir
          cls.SRC_DIR = os.path.realpath(
              os.path.join(os.getcwd(), cls.CWD_SRC_DIR))
          cls.get_settings(settings)
  
      @classmethod
      def get_settings(cls, settings_module):
          """Set class attributes equal to uppercased attributes of a module."""
          settings = imp.load_source(
              'settings', os.path.join(os.getcwd(), settings_module))
  
          for setting in (x for x in dir(settings) if x.isupper()):
              setattr(cls, setting, getattr(settings, setting))
  
      @classmethod
      def short_path(cls, path):
          """Remove conf.SRC_DIR from a given path."""
          return path.partition("%s%s" % (cls.SRC_DIR, '/'))[2]
  
  
  def get_arguments():
      """Prompt user for a source directory and an optional settings module."""
      parser = argparse.ArgumentParser(
          description='Watch a directory and run a custom set of tests whenever'
                      ' a file changes.')
      parser.add_argument(
          '--src_dir', type=str, default=os.getcwd(),
          help='The directory to watch for changes. (Defaults to CWD)')
      parser.add_argument(
          '--settings', type=str, default='tube.py',
          help='Path to a testtube settings file that defines which tests to run'
               ' (Defaults to "tube.py" - your settings file must be importable'
               ' and the path must be relative to your CWD)')
      args = parser.parse_args()
  
      return args.src_dir, args.settings
  
subject: Remove leftover debugging code