diff --git a/darshan-util/pydarshan/mypy.ini b/darshan-util/pydarshan/mypy.ini
index 60f7df846..a93064959 100644
--- a/darshan-util/pydarshan/mypy.ini
+++ b/darshan-util/pydarshan/mypy.ini
@@ -45,3 +45,6 @@ ignore_missing_imports = True
 
 [mypy-darshan.backend.cffi_backend]
 ignore_errors = True
+
+[mypy-darshan.tests.*]
+disable_error_code = attr-defined