cannot generate rust code for starknet_write_api.json

[tdelabro]

On master
I run

 open-rpc-generator generate -t client -l rust -d ./api/starknet_write_api.json -o starknet_write_api

and get

(node:50385) [DEP0040] DeprecationWarning: The `punycode` module is deprecated. Please use a userland alternative instead.
(Use `node --trace-deprecation ...` to show where the warning was created)
Invalid OpenRPC document. Please revise the validation errors below:
OpenRPCDocumentDereferencingError {
  name: 'OpenRPCDocumentDereferencingError',
  message: 'The json schema provided cannot be dereferenced. Received Error: \n' +
    ' Unable to parse reference inside of JSONSchema\n' +
    '\n' +
    'error message: InvalidFileSystemPathError\n' +
    'The path was not resolvable: ./starknet_api_openrpc.json#/components/schemas/SIGNATURE\n' +
    'schema in question: {"$ref":"./starknet_api_openrpc.json#/components/schemas/SIGNATURE","components":{"schemas":{"NUM_AS_HEX":{"title":"An integer number in hex format (0x...)","type":"string","pattern":"^0x[a-fA-F0-9]+$"},"SIGNATURE":"[Circular]","FELT":{"$ref":"./starknet_api_openrpc.json#/components/schemas/FELT"},"TXN_HASH":{"$ref":"./starknet_api_openrpc.json#/components/schemas/TXN_HASH"},"BROADCASTED_INVOKE_TXN":{"$ref":"./api/starknet_api_openrpc.json#/components/schemas/BROADCASTED_INVOKE_TXN"},"BROADCASTED_DECLARE_TXN":{"$ref":"./api/starknet_api_openrpc.json#/components/schemas/BROADCASTED_DECLARE_TXN"},"BROADCASTED_DEPLOY_ACCOUNT_TXN":{"$ref":"./api/starknet_api_openrpc.json#/components/schemas/BROADCASTED_DEPLOY_ACCOUNT_TXN"},"FUNCTION_CALL":{"$ref":"./starknet_api_openrpc.json#/components/schemas/FUNCTION_CALL"}}}}'
}
There was error at generator runtime:
OpenRPCDocumentDereferencingError {
  name: 'OpenRPCDocumentDereferencingError',
  message: 'The json schema provided cannot be dereferenced. Received Error: \n' +
    ' Unable to parse reference inside of JSONSchema\n' +
    '\n' +
    'error message: InvalidFileSystemPathError\n' +
    'The path was not resolvable: ./starknet_api_openrpc.json#/components/schemas/SIGNATURE\n' +
    'schema in question: {"$ref":"./starknet_api_openrpc.json#/components/schemas/SIGNATURE","components":{"schemas":{"NUM_AS_HEX":{"title":"An integer number in hex format (0x...)","type":"string","pattern":"^0x[a-fA-F0-9]+$"},"SIGNATURE":"[Circular]","FELT":{"$ref":"./starknet_api_openrpc.json#/components/schemas/FELT"},"TXN_HASH":{"$ref":"./starknet_api_openrpc.json#/components/schemas/TXN_HASH"},"BROADCASTED_INVOKE_TXN":{"$ref":"./api/starknet_api_openrpc.json#/components/schemas/BROADCASTED_INVOKE_TXN"},"BROADCASTED_DECLARE_TXN":{"$ref":"./api/starknet_api_openrpc.json#/components/schemas/BROADCASTED_DECLARE_TXN"},"BROADCASTED_DEPLOY_ACCOUNT_TXN":{"$ref":"./api/starknet_api_openrpc.json#/components/schemas/BROADCASTED_DEPLOY_ACCOUNT_TXN"},"FUNCTION_CALL":{"$ref":"./starknet_api_openrpc.json#/components/schemas/FUNCTION_CALL"}}}}'
}