add TODOs for future assert_never type cleverness

python-trio · Oct 8, 2023 · 9f4e79e · 9f4e79e
1 parent d6df308
commit 9f4e79e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/trio/_threads.py b/trio/_threads.py
@@ -338,7 +338,7 @@ def abort(raise_cancel: RaiseCancelT) -> trio.lowlevel.Abort:
             await msg_from_thread.run()
         elif isinstance(msg_from_thread, RunSync):
             msg_from_thread.run_sync()
-        else:  # pragma: no cover, internal debugging guard
+        else:  # pragma: no cover, internal debugging guard TODO: use assert_never
             raise TypeError(
                 "trio.to_thread.run_sync received unrecognized thread message {!r}."
                 "".format(msg_from_thread)
@@ -433,7 +433,7 @@ def run_sync() -> None:
                     outcome.Error(trio.RunFinishedError("system nursery is closed"))
                 )
 
-    else:  # pragma: no cover, internal debugging guard
+    else:  # pragma: no cover, internal debugging guard TODO: use assert_never
         raise TypeError(
             "trio.to_thread.run_sync received unrecognized thread message {!r}."
             "".format(message)