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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 get_template(self, template_name):
 """Get the template which is at the given name"""

        try:
            return self.loader.load(template_name, encoding=self.encoding)
        except self.not_found_exception, e:
            # catch the exception raised by Genshi, convert it into a werkzeug
            # exception (for the sake of consistency)
            raise TemplateNotFound(template_name)