Fix: state() called as function in endpoint

main.py

@@ -127,7 +127,7 @@ async def step(action: ActionRequest):
 
 @app.get("/state")
 async def state():
-    return env.state
+    return env.state()
 
 if __name__ == "__main__":
     uvicorn.run(app, host="0.0.0.0", port=7860)