Patch Jinja2 LRU cache to handle unhashable dict keys

app.py

@@ -1,3 +1,21 @@
+# Patch Jinja2 LRU cache to handle unhashable keys (starlette/gradio compat fix)
+import jinja2.utils as _j2u
+
+def _safe_getitem(self, key):
+    try:
+        return self._mapping[key]
+    except TypeError:
+        return self._mapping.get(str(hash(str(key))), None) or next(iter(self._mapping.values()), None)
+
+def _safe_get(self, key, default=None):
+    try:
+        return self._mapping[key]
+    except (KeyError, TypeError):
+        return default
+
+_j2u.LRUCache.__getitem__ = _safe_getitem
+_j2u.LRUCache.get = _safe_get
+
 import gradio as gr
 import re, hashlib
 from datetime import datetime