capybara/session.py
def current_scope(self):
        """ node.Base: The current node relative to which all interaction will be scoped. """
        scope = self._scopes[-1]
        if scope in [None, "frame"]:
            scope = self.document
        return scope
def current_scope(self):
        """ node.Base: The current node relative to which all interaction will be scoped. """
        scope = self._scopes[-1]
        if scope in [None, "frame"]:
            scope = self.document
        return scope
node.Base: The current node relative to which all interaction will be scoped.