[Python-mode] Triple quoted string problem

[skip at pobox.com]

    When I attempt to fill the docstring's paragraph with the cursor positioned
    in front of Maintain it zaps the space before '"best"' and fails to actually
    fill the paragraph:

        #!/usr/bin/env python

        """
        Maintain the recent"best" price and alert when it remains
        the best price for a user-defined time.
        """

FYI, changing the quoting around the word best from quotation marks to
apostrophes results in correct behavior.

S