Monkey-patch gradio_client bug for additionalProperties bool

HF Spaces pins gradio 4.44.0 which has a bug in gradio_client where
additionalProperties=True (bool) causes TypeError in get_type().
This patch intercepts the call and handles bool schemas gracefully.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app.py

@@ -11,6 +11,30 @@ import shutil
 
 import gradio as gr
 
+# ── Monkey-patch gradio_client bug with additionalProperties ──────────────
+# Fix TypeError: argument of type 'bool' is not iterable in get_type()
+# This bug exists in gradio 4.44.0's gradio_client when additionalProperties
+# is a bool (True) instead of a dict schema.
+try:
+    import gradio_client.utils as _gc_utils
+
+    _original_json_schema_to_python_type = _gc_utils._json_schema_to_python_type
+
+    def _patched_json_schema_to_python_type(schema, defs=None):
+        # Fix: if additionalProperties is a bool, handle it gracefully
+        if isinstance(schema, bool):
+            return "Any"
+        if isinstance(schema, dict) and "additionalProperties" in schema:
+            ap = schema["additionalProperties"]
+            if isinstance(ap, bool):
+                schema = dict(schema)  # don't mutate original
+                schema["additionalProperties"] = {"type": "object"} if ap else {}
+        return _original_json_schema_to_python_type(schema, defs)
+
+    _gc_utils._json_schema_to_python_type = _patched_json_schema_to_python_type
+except Exception:
+    pass  # If patch fails, continue anyway
+
 # Setup logging
 logging.basicConfig(level=logging.INFO, format="%(asctime)s [%(levelname)s] %(message)s")
 logger = logging.getLogger(__name__)