def _load_view_non_cached(self, name, view_element):
        result = {}
        view_filename = self._view_filename
        try:
            exec(compile(
                open(view_filename).read(), view_filename, 'exec'), {}, result
            )
            view = result['view']
        except IOError:
            logger.debug("No view found for [%s] in [%s]. "
                            "Using the base class trait_view instead.",
                            self, view_filename)
            view = super(Base, self).trait_view(name, view_element)
        return view
Add a header to be used by the HTTP interface only
dataset/ETHPy150Open enthought/mayavi/mayavi/core/base.py/Base._load_view_non_cached--crossover with--dataset/ETHPy150Open ofermend/medicare-demo/socialite/jython/Lib/urllib.py/URLopener.addheader