monkey-patch gradio_client.utils.get_type to handle bool schemas

app.py

@@ -9,6 +9,19 @@ Tabs:
 
 import os
 
+# Workaround for a long-standing gradio_client bug that hits the /info endpoint
+# when any component emits a JSON schema with `additionalProperties: True/False`
+# (a plain bool). get_type() does `if "const" in schema:` which raises
+# `TypeError: argument of type 'bool' is not iterable`. Patch it before Gradio
+# loads the FastAPI routes.
+import gradio_client.utils as _gcu
+_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
+
 import gradio as gr
 import pandas as pd