3.10 import fix

Author: saulshanabrook

python/egglog/deconstruct.py

@@ -6,9 +6,9 @@
 
 from collections.abc import Callable
 from functools import partial
-from typing import TYPE_CHECKING, TypeVar, Unpack, overload
+from typing import TYPE_CHECKING, TypeVar, overload
 
-from typing_extensions import TypeVarTuple
+from typing_extensions import TypeVarTuple, Unpack
 
 from .declarations import *
 from .egraph import BaseExpr