chore: checkpoint before Python removal

vendor/anyhow/tests/test_autotrait.rs

@@ -0,0 +1,34 @@
+#![allow(clippy::extra_unused_type_parameters)]
+
+use anyhow::Error;
+use std::panic::{RefUnwindSafe, UnwindSafe};
+
+#[test]
+fn test_send() {
+    fn assert_send<T: Send>() {}
+    assert_send::<Error>();
+}
+
+#[test]
+fn test_sync() {
+    fn assert_sync<T: Sync>() {}
+    assert_sync::<Error>();
+}
+
+#[test]
+fn test_unwind_safe() {
+    fn assert_unwind_safe<T: UnwindSafe>() {}
+    assert_unwind_safe::<Error>();
+}
+
+#[test]
+fn test_ref_unwind_safe() {
+    fn assert_ref_unwind_safe<T: RefUnwindSafe>() {}
+    assert_ref_unwind_safe::<Error>();
+}
+
+#[test]
+fn test_unpin() {
+    fn assert_unpin<T: Unpin>() {}
+    assert_unpin::<Error>();
+}