undeclared identifier: 'GetJsonRpcRequestHeaders'

[sheldon]

undeclared identifier: 'GetJsonRpcRequestHeaders' on master

Nim Compiler Version 1.6.4 [Windows: amd64]
Compiled at 2022-02-27
Copyright (c) 2006-2021 by Andreas Rumpf

git hash: 7994556f3804c217035c44b453a3feec64405758
active boot switches: -d:release

[Will]

As I understand this is because GetJsonRpcRequestHeaders is stored here:

https://github.com/status-im/nim-json-rpc/blob/c8cbe08de756d65e7d085c409dfcb5edfba4aa5d/json_rpc/client.nim#L22

Perhaps the module has the wrong version, or it's not imported correctly?