parameters: (self)
return_statement: return self
docstring: Context management protocol.  Returns self (an instance of IOBase).
docstring_summary: Context management protocol.  Returns self (an instance of IOBase).
docstring_tokens: Context management protocol . Returns self ( an instance of IOBase ) .
function: def __enter__(self):  # That's a forward reference
          """Context management protocol.  Returns self (an instance of IOBase)."""
          self._checkClosed()
          return self
function_tokens: def __enter__ ( self ) : # That's a forward reference self . _checkClosed ( ) return self