Clean up

app.py

@@ -336,14 +336,13 @@ def _get_prompt_for_obj(state: AppState, obj_id: int) -> str | None:
             return frame_texts[obj_id].strip()
 
     # Priority 2: Check inference session mapping
-    if state.inference_session is not None:
-        if (
-            hasattr(state.inference_session, "obj_id_to_prompt_id")
-            and obj_id in state.inference_session.obj_id_to_prompt_id
-        ):
-            prompt_id = state.inference_session.obj_id_to_prompt_id[obj_id]
-            if hasattr(state.inference_session, "prompts") and prompt_id in state.inference_session.prompts:
-                return state.inference_session.prompts[prompt_id].strip()
+    if state.inference_session is not None and (
+        hasattr(state.inference_session, "obj_id_to_prompt_id")
+        and obj_id in state.inference_session.obj_id_to_prompt_id
+    ):
+        prompt_id = state.inference_session.obj_id_to_prompt_id[obj_id]
+        if hasattr(state.inference_session, "prompts") and prompt_id in state.inference_session.prompts:
+            return state.inference_session.prompts[prompt_id].strip()
 
     return None