Log error if attempt is made to use unlocked on the wrong thread

panel/io/document.py

@@ -289,7 +289,15 @@ def unlocked() -> Iterator:
     curdoc = state.curdoc
     session_context = getattr(curdoc, 'session_context', None)
     session = getattr(session_context, 'session', None)
-    if curdoc is None or session_context is None or session is None or state._jupyter_kernel_context:
+    if state._current_thread != state._thread_id:
+        logger.error(
+            "Using the unlocked decorator when running inside a thread "
+            "is not safe! Ensure you check that pn.state._current_thread "
+            "matches the current thread id."
+        )
+        yield
+        return
+    elif curdoc is None or session_context is None or session is None or state._jupyter_kernel_context:
         yield
         return
     elif curdoc.callbacks.hold_value: