From 183d5be7ec7521fe375c0f9da094f4a574806970 Mon Sep 17 00:00:00 2001
From: Clint Wylie <cwylie@apache.org>
Date: Fri, 21 Jun 2019 14:49:22 -0700
Subject: [PATCH] fix spotbugs failure in Expr.java (#7944)

---
 core/src/main/java/org/apache/druid/math/expr/Expr.java | 1 -
 1 file changed, 1 deletion(-)

diff --git a/core/src/main/java/org/apache/druid/math/expr/Expr.java b/core/src/main/java/org/apache/druid/math/expr/Expr.java
index ee5ff9689e7..ae9be9c50bf 100644
--- a/core/src/main/java/org/apache/druid/math/expr/Expr.java
+++ b/core/src/main/java/org/apache/druid/math/expr/Expr.java
@@ -343,7 +343,6 @@ class StringExpr extends ConstantExpr
     return value;
   }
 
-  @Nullable
   @Override
   public String toString()
   {