Pyright's language server doesn't accept textDocument/didOpen?

[decorator-factory]

I'm trying to work with the Pyright language server. I'm sending this message after the initialize message got a response:

        {
            "jsonrpc": "2.0",
            "id": 6,
            "method": "textDocument/didOpen",
            "params": {
                "textDocument": {
                    "uri": "<uri of a file>",
                },
            },
        }

But I get this in response:

{'jsonrpc': '2.0', 'id': 6, 'error': {'code': -32601, 'message': 'Unhandled method textDocument/didOpen'}}

What am I doing wrong? The language server included 'textDocumentSync': 2 in its capabilities, so shouldn't textDocument/didOpen work?

I got quite overwhelmed by the LSP specification... So I'm not sure how to even debug this.

[erictraut]

I would expect this to work. Here's where pyright's language server handles this message:

pyright/packages/pyright-internal/src/languageServerBase.ts

Line 813 in cae1578

this._connection.onDidOpenTextDocument(async (params) => {

.

[DanielCodesphere]

The issue seems to be that textDocument/didOpen is a notification and not a request, so it doesn't have an id.
Without the id it should work.