code: def _disallow_catching_UnicodeDecodeError(f):
      
      patch_base = patch.object(VariableNode, 'render', variable_node_render)
      patch_all = patch_base
      if django.VERSION < (1, 9):
          from django.template.debug import DebugVariableNode
          patch_debug = patch.object(
              DebugVariableNode, 'render', debug_variable_node_render)
          patch_all = _compose(patch_all, patch_debug)
      return patch_all(f)
docs: Patches a template modules to prevent catching UnicodeDecodeError.
  
      Note that this has the effect of also making Template raise a
      UnicodeDecodeError instead of a TemplateEncodingError if the template
      string is not UTF-8 or unicode.