code: def load(self, spec):
          
          if spec.template is not None:
              return self.loader.unicode(spec.template, spec.template_encoding)
  
          path = self._find(spec)
  
          return self.loader.read(path, spec.template_encoding)
docs: Find and return the template associated to a TemplateSpec instance.
  
          Returns the template as a unicode string.
  
          Arguments:
  
            spec: a TemplateSpec instance.