Missed one.

src/utils/get-state-obj.ts

@@ -1,4 +1,4 @@
-import { HomeAssistant } from "custom-card-helpers";
+import { HomeAssistant } from "@dermotduffy/custom-card-helpers";
 import { HassEntity } from "home-assistant-js-websocket";
 import { CameraConfig } from "../config/types.js";
 import { dispatchErrorMessageEvent } from "../components/message.js";