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Head's Up! Site migration is underway. Pause, resolving how to handle anonymous content

Bugs in py2neo.internal.operations -- {x} no longer works

tms
Graph Buddy

The version 4 release of neo4j apparently has a breaking change in Cypher, so that expressions of the form {x} now cause an error and must be replaced with $x. This broke the statement template used by the subgraph_exists function (in py2neo.internal.operations.py).

This, in turn, causes the Graph.exists method to ungracefully fail. It appears that similar issues exist with pull_subgraph and push_subgraph.

While the fix is easy and obvious, a patch to py2neo is probably in order.

Thanks,
Tom S.

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