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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def find(self, name):
 """Returns the extension pack with the specified name if found. in name of type str The name of the extension pack to locate. return return_data of type :class:`IExtPack` The extension pack if found. raises :class:`VBoxErrorObjectNotFound` No extension pack matching @a name was found. """

        if not isinstance(name, basestring):
            raise TypeError("name can only be an instance of type basestring")
        return_data = self._call("find",
                     in_p=[name])
        return_data = IExtPack(return_data)
        return return_data