class OpenTypeLibError(Exception):
    def __init__(self, message, location):
        Exception.__init__(self, message)
        self.location = location

    def __str__(self):
        message = Exception.__str__(self)
        if self.location:
            return f"{self.location}: {message}"
        else:
            return message

6aa977e2beabf5d880fae7bee945898eaa49e5c7
<mask token>

class OpenTypeLibError(Exception):
    <mask token>
    <mask token>

class OpenTypeLibError(Exception):

    def __init__(self, message, location):
        Exception.__init__(self, message)
        self.location = location
    <mask token>

class OpenTypeLibError(Exception):

    def __init__(self, message, location):
        Exception.__init__(self, message)
        self.location = location

    def __str__(self):
        message = Exception.__str__(self)
        if self.location:
            return f'{self.location}: {message}'
        else:
            return message

class OpenTypeLibError(Exception):
    def __init__(self, message, location):
        Exception.__init__(self, message)
        self.location = location

    def __str__(self):
        message = Exception.__str__(self)
        if self.location:
            return f"{self.location}: {message}"
        else:
            return message
