class SimilarityNodePostprocessor(BaseNodePostprocessor):
def _postprocess_nodes(
self, nodes: List[TextNode], query_bundle: Optional[QueryBundle], value: Optional[int] = None
) -> List[TextNode]:
results = []
for n in nodes:
if n.metadata['x'] == value:
results.append(n)
return results
assemble query engine
query_engine = RetrieverQueryEngine(
retriever=retriever,
response_synthesizer=response_synthesizer,
node_postprocessors=[SimilarityNodePostprocessor()],
)
i am passing the value and nodes and this return this error hwo can i pass the value and nodes to this classAdd a reply
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