third_party/blink/tools/blinkpy/web_tests/breakpad/dump_reader.py
def check_is_functional(self):
        """This routine must be implemented by subclasses.

        Returns True if this reader is functional.
        """
        raise NotImplementedError()
This routine must be implemented by subclasses.

        Returns True if this reader is functional.
        
This routine must be implemented by subclasses.
Returns True if this reader is functional.
This routine must be implemented by subclasses . Returns True if this reader is functional .
def check_is_functional(self):
        raise NotImplementedError()
def check_is_functional ( self ) : raise NotImplementedError ( )
This routine must be implemented by subclasses.
This routine must be implemented by subclasses .
"""This routine must be implemented by subclasses.

        Returns True if this reader is functional.
        """
self