work around gradio schema bug

app.py

@@ -124,9 +124,7 @@ def image_status_text(image_path: str | None, label: str) -> str:
     return f"{label}: image missing in this Space bundle; use question/answer metadata only or upload assets later"
 
 
-def task_a_payload(
-    index: int,
-) -> tuple[str | None, str, str, str, str, str, str, str, str]:
+def task_a_payload(index):
     if not TASK_A_ITEMS:
         return None, "No Task A items found.", "", "", "", "", "", "", ""
     item = TASK_A_ITEMS[index % len(TASK_A_ITEMS)]
@@ -144,9 +142,7 @@ def task_a_payload(
     )
 
 
-def task_b_payload(
-    index: int,
-) -> tuple[str | None, str | None, str, str, str, str, str, str, str]:
+def task_b_payload(index):
     if not TASK_B_ITEMS:
         return None, None, "No Task B items found.", "", "", "", "", "", ""
     item = TASK_B_ITEMS[index % len(TASK_B_ITEMS)]
@@ -164,7 +160,7 @@ def task_b_payload(
     )
 
 
-def start_session(evaluator_name: str, current_session: str | None) -> tuple[str, str]:
+def start_session(evaluator_name, current_session):
     cleaned = evaluator_name.strip()
     if not cleaned:
         cleaned = "anonymous"
@@ -174,13 +170,7 @@ def start_session(evaluator_name: str, current_session: str | None) -> tuple[str
     return session_id, f"Session ready: {cleaned} ({session_id})"
 
 
-def submit_task_a(
-    index: int,
-    evaluator_name: str,
-    session_id: str,
-    rating: str,
-    notes: str,
-) -> tuple[int, str, str | None, str, str, str, str, str, str, str, str]:
+def submit_task_a(index, evaluator_name, session_id, rating, notes):
     if not TASK_A_ITEMS:
         return index, "No Task A items available.", None, "", "", "", "", "", "", "", ""
     if not evaluator_name.strip() or not session_id.strip():
@@ -225,13 +215,7 @@ def submit_task_a(
     )
 
 
-def submit_task_b(
-    index: int,
-    evaluator_name: str,
-    session_id: str,
-    rating: str,
-    notes: str,
-) -> tuple[int, str, str | None, str | None, str, str, str, str, str, str, str]:
+def submit_task_b(index, evaluator_name, session_id, rating, notes):
     if not TASK_B_ITEMS:
         return (
             index,
@@ -414,4 +398,4 @@ with gr.Blocks(title="StructViz-Bench Human Evaluation") as demo:
 
 
 if __name__ == "__main__":
-    demo.launch(server_name="0.0.0.0", show_api=False)
+    demo.launch(server_name="0.0.0.0", share=True, show_api=False)