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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 contribute_error_pages(self):
 """Contributes generic static error massage pages to an existing section."""


        static_dir = self.settings.STATIC_ROOT

        if not static_dir:
            # Source static directory is not configured. Use temporary.
            import tempfile
            static_dir = os.path.join(tempfile.gettempdir(), self.project_name)
            self.settings.STATIC_ROOT = static_dir

        self.section.routing.set_error_pages(
            common_prefix=os.path.join(static_dir, 'uwsgify'))