Add test case for #2553

1 files changed, 11 insertions, 0 deletions

diff --git a/pylint/test/functional/member_checks_inference_improvements.py b/pylint/test/functional/member_checks_inference_improvements.py
new file mode 100644
index 000000000..6eefa7958
--- /dev/null
+++ b/pylint/test/functional/member_checks_inference_improvements.py
@@ -0,0 +1,11 @@
+# pylint: disable=missing-docstring
+
+
+def test_oserror_has_strerror():
+    # https://github.com/PyCQA/pylint/issues/2553
+    try:
+        raise OSError()
+    except OSError as exc:
+        if exc.strerror is not None:
+            return exc.strerror.lower()
+        return None