old_contents: """The methods dictionary holds the list of functions that can be called by remote
  calls. It's a mapping of function names to functions.
  
  Methods can take either positional or named arguments, but not both - this is a
  limitation of JSON-RPC.
  """
  from typing import Any, Callable, Dict, Optional, cast
  
  from .result import Result
  
  Method = Callable[..., Result]
  Methods = Dict[str, Method]
  
  # A default Methods object which can be used, or user can create their own.
  global_methods = dict()
  
  
  def method(
      f: Optional[Method] = None, name: Optional[str] = None
  ) -> Callable[..., Any]:
      def decorator(func: Method) -> Method:
          nonlocal name
          global global_methods
          global_methods[name or func.__name__] = func
          return func
  
      return decorator(f) if callable(f) else cast(Method, decorator)
  
new_contents: """The methods dictionary holds the list of functions that can be called by remote
  calls. It's a mapping of function names to functions.
  
  Methods can take either positional or named arguments, but not both - this is a
  limitation of JSON-RPC.
  """
  from typing import Any, Callable, Dict, Optional, cast
  
  from .result import Result
  
  Method = Callable[..., Result]
  Methods = Dict[str, Method]
  
  global_methods = dict()
  
  
  def method(
      f: Optional[Method] = None, name: Optional[str] = None
  ) -> Callable[..., Any]:
      def decorator(func: Method) -> Method:
          nonlocal name
          global global_methods
          global_methods[name or func.__name__] = func
          return func
  
      return decorator(f) if callable(f) else cast(Method, decorator)
  
subject: Remove unnecessary comment