raise an exception if query TIMEOUT is a non negative integer

Author: meiravgri

redis/commands/search/query.py

@@ -194,8 +194,10 @@ def _get_args_tags(self):
             args += self._ids
         if self._slop >= 0:
             args += ["SLOP", self._slop]
-        if self._timeout is not None:
+        if isinstance(self._timeout, int) and self._timeout >= 0:
             args += ["TIMEOUT", self._timeout]
+        else:
+            raise AttributeError("TIMEOUT requires a non negative integer.")
         if self._in_order:
             args.append("INORDER")
         if self._return_fields: