docs: def get_dependencies(self, filename):
          """Get a list of files that depends on the file named *filename*.
  
          :param filename: the name of the file to find dependencies of
          """
          if self.is_partial(filename):
              return self.templates
          elif self.is_template(filename):
              return [self.get_template(filename)]
          elif self.is_static(filename):
              return [filename]
          else:
              return []