diff --git a/run_tests.sh b/run_tests.sh
index fd7da88..f50b695 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -77,7 +77,7 @@
   srcfiles+=" `find tools -type f -name "*.py"`"
   srcfiles+=" setup.py"
 
-  ignore='--ignore=N401,N402,E121,E122,E125,E126'
+  ignore='--ignore=T401,T402,E121,E122,E125,E126'
 
     ${wrapper} python tools/hacking.py ${ignore} ${srcfiles}
 }