Remove deprecated traceback formatting argument. (#15320)

The [`etype` argument to `format_exception`](https://docs.python.org/3/library/traceback.html#traceback.format_exception) has been ignored since Python `3.5`, and is removed in Python `3.10`. Fixes #15310. [ci skip-build-wheels]
pantsbuild · May 5, 2022 · 27e2f79 · 27e2f79
1 parent 4e1eccc
commit 27e2f79
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/rust/engine/src/python.rs b/src/rust/engine/src/python.rs
@@ -425,7 +425,7 @@ impl Failure {
       locals.set_item("tb", tb).unwrap();
       locals.set_item("val", &val).unwrap();
       py.eval(
-        "''.join(traceback.format_exception(etype=None, value=val, tb=tb))",
+        "''.join(traceback.format_exception(None, value=val, tb=tb))",
         None,
         Some(locals),
       )