Merge branch 'main' into nimar/lfe-5387-message-placeholder-python

Author: nimarb

langfuse/_client/client.py

@@ -1748,6 +1748,12 @@ def auth_check(self) -> bool:
                 )
             return True
 
+        except AttributeError as e:
+            langfuse_logger.warning(
+                f"Auth check failed: Client not properly initialized. Error: {e}"
+            )
+            return False
+
         except Error as e:
             handle_fern_exception(e)
             raise e