Replace "ans" with "answer" to avoid being close to typo of "and"

Author: yarikoptic

tests/typed_graph.py

@@ -109,6 +109,6 @@ def run_g5() -> None:
     g5.run_sync(A())  # pyright: ignore[reportArgumentType]
     g5.run_sync(A(), state=MyState(x=1))  # pyright: ignore[reportArgumentType]
     g5.run_sync(A(), deps=MyDeps(y='y'))  # pyright: ignore[reportArgumentType]
-    ans, history = g5.run_sync(A(), state=MyState(x=1), deps=MyDeps(y='y'))
-    assert_type(ans, int)
+    answer, history = g5.run_sync(A(), state=MyState(x=1), deps=MyDeps(y='y'))
+    assert_type(answer, int)
     assert_type(history, list[HistoryStep[MyState, int]])