diff --git a/dev-support/test-patch.py b/dev-support/test-patch.py
index df01722e..6b0218b3 100755
--- a/dev-support/test-patch.py
+++ b/dev-support/test-patch.py
@@ -62,7 +62,7 @@ def sqoop_guess_branch(versions):
 
 # Verify supported branch
 def sqoop_verify_branch(branch):
-  return branch in {"sqoop2", "SQOOP-1082", "SQOOP-1367"}
+  return branch in ("sqoop2", "SQOOP-1082", "SQOOP-1367",)
 
 def execute(cmd, log=True):
   if log: