diff --git a/llvm/utils/lit/lit/formats/base.py b/llvm/utils/lit/lit/formats/base.py
index 3d305cca5fc0..6721d17e334e 100644
--- a/llvm/utils/lit/lit/formats/base.py
+++ b/llvm/utils/lit/lit/formats/base.py
@@ -80,7 +80,7 @@ class OneCommandPerFileTest(TestFormat):
                 yield test
 
     def createTempInput(self, tmp, test):
-        abstract
+        raise NotImplementedError('This is an abstract method.')
 
     def execute(self, test, litConfig):
         if test.config.unsupported: