Update app.py

app.py

@@ -15,9 +15,44 @@ from datetime import datetime
 from typing import List, Dict, Tuple, Optional
 
 import faiss
-import gradio as gr
 import numpy as np
 import torch
+
+# ── Monkey-patch gradio_client 4.44.x schema-introspection bug ────────────────
+# gradio_client/utils.py calls `if "const" in schema` where schema can be a
+# plain bool (valid JSON Schema: additionalProperties=True/False).
+# The `in` operator on a bool raises TypeError and crashes the whole Space.
+# We patch both affected functions before importing gradio.
+try:
+    import gradio_client.utils as _gcu
+
+    # Patch 1: get_type() — guard against non-dict schema argument
+    _orig_get_type = _gcu.get_type
+
+    def _safe_get_type(schema):
+        if not isinstance(schema, dict):
+            return "Any"
+        return _orig_get_type(schema)
+
+    _gcu.get_type = _safe_get_type
+
+    # Patch 2: _json_schema_to_python_type() — normalise bool additionalProperties
+    _orig_j2p = _gcu._json_schema_to_python_type
+
+    def _safe_j2p(schema, defs=None):
+        if not isinstance(schema, dict):
+            return "Any"
+        if isinstance(schema.get("additionalProperties"), bool):
+            schema = {**schema, "additionalProperties": {}}
+        return _orig_j2p(schema, defs)
+
+    _gcu._json_schema_to_python_type = _safe_j2p
+    print("✅ gradio_client monkey-patch applied.")
+except Exception as _e:
+    print(f"⚠️  gradio_client patch skipped: {_e}")
+# ──────────────────────────────────────────────────────────────────────────────
+
+import gradio as gr
 from PIL import Image
 from transformers import CLIPModel, CLIPProcessor
 from ultralytics import YOLO