127.0.0.1:6379> GRAPH.QUERY g "CYPHER balance = -1 RETURN $balance"
(error) errMsg: Invalid input 'b': expected ';', a statement option, a query hint, a clause or a schema command line: 1, column: 1, offset: 0 errCtx: balance = -1000.4 RETURN $balance errCtxOffset: 0
Originally reported by https://forum.redislabs.com/t/issue-with-negative-numeric-query-parameters-using-the-python-client/874