old_contents: """
  Text parsing and processing utilities.
  """
  import re
  
  RE_NUMBER = re.compile(r'\d+')
  RE_NUMBER_WITH_SPACES = re.compile(r'\d[\s\d]*', re.U)
  RE_SPACE = re.compile(r'\s+', re.U)
  
  def find_number(text, ignore_spaces=False):
      """
      Find the number in the `text`.
  
      :param text: unicode or byte-string text
      :param ignore_spacess: if True then groups of digits delimited
          by spaces are considered as one number
      :raises: :class:`DataNotFound` if number was not found.
      """
      # tmp hack
      # to avoid import error
      from ..base import DataNotFound
  
      if ignore_spaces:
          match = RE_NUMBER_WITH_SPACES.search(text)
      else:
          match = RE_NUMBER.search(text)
      if match:
          if ignore_spaces:
              return drop_space(match.group(0))
          else:
              return match.group(0)
      else:
          raise DataNotFound
  
  def drop_space(text):
      """
      Drop all space-chars in the `text`.
      """
  
      return RE_SPACE.sub('', text)
  
  def normalize_space(text, replace=' '):
      """
      Replace sequence of space-chars with one space char.
  
      Also drop leading and trailing space-chars.
      """
  
      return RE_SPACE.sub(replace, text.strip()).strip()
  
new_contents: """
  Text parsing and processing utilities.
  """
  import re
  
  RE_NUMBER = re.compile(r'\d+')
  RE_NUMBER_WITH_SPACES = re.compile(r'\d[\s\d]*', re.U)
  RE_SPACE = re.compile(r'\s+', re.U)
  
  def find_number(text, ignore_spaces=False):
      """
      Find the number in the `text`.
  
      :param text: unicode or byte-string text
      :param ignore_spacess: if True then groups of digits delimited
          by spaces are considered as one number
      :raises: :class:`DataNotFound` if number was not found.
      """
      # tmp hack
      # to avoid import error
      from ..base import DataNotFound
  
      if ignore_spaces:
          match = RE_NUMBER_WITH_SPACES.search(text)
      else:
          match = RE_NUMBER.search(text)
      if match:
          if ignore_spaces:
              return drop_space(match.group(0))
          else:
              return match.group(0)
      else:
          raise DataNotFound
  
  
  def drop_space(text):
      """
      Drop all space-chars in the `text`.
      """
  
      return RE_SPACE.sub('', text)
  
  
  def normalize_space(text, replace=' '):
      """
      Replace sequence of space-chars with one space char.
  
      Also drop leading and trailing space-chars.
      """
  
      return RE_SPACE.sub(replace, text.strip()).strip()
  
subject: Add two blank lines to tools.text :)