Update exported_program_translator.py

Author: abeeha123

python/tvm/relax/frontend/torch/exported_program_translator.py

@@ -18,7 +18,7 @@
 # pylint: disable=invalid-name, inconsistent-return-statements, unidiomatic-typecheck
 # pylint: disable=import-outside-toplevel
 """PyTorch ExportedProgram of Relax."""
-from collections import ChainMap, OrderedDict,
+from collections import ChainMap, OrderedDict
 from functools import partial
 from typing import Callable, Dict, List, Optional, Tuple