fix: patch gradio_client bool-schema crash (/api_info)

app.py

@@ -4,6 +4,24 @@ import gradio as gr
 
 
 def _launch():
+    # HF Spaces/Gradio sometimes calls /api_info regardless of `show_api=False`.
+    # Some gradio_client versions crash when JSON schema uses boolean `additionalProperties`.
+    # Patch defensively to avoid bringing down the whole app.
+    try:
+        import gradio_client.utils as _gcu
+
+        if hasattr(_gcu, "_json_schema_to_python_type"):
+            _orig = _gcu._json_schema_to_python_type
+
+            def _json_schema_to_python_type_patched(schema, defs=None):
+                if isinstance(schema, bool):
+                    return "Any"
+                return _orig(schema, defs)
+
+            _gcu._json_schema_to_python_type = _json_schema_to_python_type_patched
+    except Exception:
+        pass
+
     # HF Spaces expects the app to listen on 0.0.0.0:7860 (PORT may be provided).
     import mvp
 

mvp.py

@@ -29,6 +29,22 @@ try:
 except Exception:
     gdown = None
 
+# Defensive patch: some gradio_client versions crash on JSON schema with boolean additionalProperties.
+try:
+    import gradio_client.utils as _gcu
+
+    if hasattr(_gcu, "_json_schema_to_python_type"):
+        _orig = _gcu._json_schema_to_python_type
+
+        def _json_schema_to_python_type_patched(schema, defs=None):
+            if isinstance(schema, bool):
+                return "Any"
+            return _orig(schema, defs)
+
+        _gcu._json_schema_to_python_type = _json_schema_to_python_type_patched
+except Exception:
+    pass
+
 REPO_ROOT = os.path.dirname(os.path.abspath(__file__))
 sys.path.append(os.path.join(REPO_ROOT, "vggt"))
 MK_PATH = os.path.join(REPO_ROOT, "MaskClustering")