parameters: (self)
docstring: Enter the watcher's context and allow starting new processes
  
          This function must return self
docstring_summary: Enter the watcher's context and allow starting new processes
docstring_tokens: Enter the watcher s context and allow starting new processes
function: def __enter__(self):
          """Enter the watcher's context and allow starting new processes
  
          This function must return self"""
          raise NotImplementedError()
function_tokens: def __enter__ ( self ) : raise NotImplementedError ( )