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langchain/libs/community/langchain_community/graphs
Tomaz Bratanic d3a2b9fae0 Fix neo4j type error on missing constraint information (#24177)
If you use `refresh_schema=False`, then the metadata constraint doesn't
exist. ATM, we used default `None` in the constraint check, but then
`any` fails because it can't iterate over None value
2024-07-12 06:39:29 -04:00
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