old_contents: import importlib, re
  
  def cdn_url_to_http(url):
  	return "http://" + url.lstrip("//")
  
  # TODO: rename to work with methods too
  def import_class(s):
      try:
          module_string, klass_string = s.rsplit('.', 1)
      except ValueError:
          raise ValueError('could not parse {}. provide the full path to class'.format(s))
      module = importlib.import_module(module_string)
      klass = getattr(module, klass_string)
      return klass
  
  def get_only_first_or_none(lst):
      if len(lst) > 1: raise ValueError("too many values")
      return lst[0] if len(lst) else None
  
  def convert_dict_to_camel_case(d):
      from boltons.iterutils import remap
  
      re1 = re.compile(r'(.)([A-Z][a-z]+)')
      re2 = re.compile(r'([a-z0-9])([A-Z])')
  
      def convert_str_to_camel_case(s):
          s1 = re.sub(re1, r'\1_\2', s)
          return re.sub(re2, r'\1_\2', s1).lower()
  
      def visit(path, key, value):
          new_key = convert_str_to_camel_case(key) if isinstance(key, str) else key
          return new_key, value
  
      return remap(d, visit=visit)
  
  from blessings import Terminal
  t = Terminal()
new_contents: import importlib, re
  
  def cdn_url_to_http(url):
  	return "http://" + url.lstrip("//")
  
  # TODO: rename to work with methods too
  def import_class(s):
      try:
          module_string, klass_string = s.rsplit('.', 1)
      except ValueError:
          raise ValueError('could not parse {}. provide the full path to class'.format(s))
      module = importlib.import_module(module_string)
      klass = getattr(module, klass_string)
      return klass
  
  def get_only_first_or_none(lst):
      if len(lst) > 1: raise ValueError("too many values")
      return lst[0] if len(lst) else None
  
  def convert_dict_to_camel_case(d): # pragma: no cover
      from boltons.iterutils import remap
  
      re1 = re.compile(r'(.)([A-Z][a-z]+)')
      re2 = re.compile(r'([a-z0-9])([A-Z])')
  
      def convert_str_to_camel_case(s):
          s1 = re.sub(re1, r'\1_\2', s)
          return re.sub(re2, r'\1_\2', s1).lower()
  
      def visit(path, key, value):
          new_key = convert_str_to_camel_case(key) if isinstance(key, str) else key
          return new_key, value
  
      return remap(d, visit=visit)
  
  from blessings import Terminal
  t = Terminal()
subject: add pragma no cover on util function