From 004deef56200d8bd57ebfd6f8734c08fbd003f6d Mon Sep 17 00:00:00 2001
From: Adrian Perez <perezg.adrian@gmail.com>
Date: Fri, 3 Jan 2020 13:36:54 +0100
Subject: [PATCH] remove unnecessary use of fmt.Sprintf (#217)

* remove unnecessary use of fmt.Sprintf
---
 example_test.go | 2 +-
 stack_test.go   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/example_test.go b/example_test.go
index c1fc13e..7d0e286 100644
--- a/example_test.go
+++ b/example_test.go
@@ -195,7 +195,7 @@ func Example_stackTrace() {
 func ExampleCause_printf() {
 	err := errors.Wrap(func() error {
 		return func() error {
-			return errors.Errorf("hello %s", fmt.Sprintf("world"))
+			return errors.New("hello world")
 		}()
 	}(), "failed")
 
diff --git a/stack_test.go b/stack_test.go
index 1acd719..aa10a72 100644
--- a/stack_test.go
+++ b/stack_test.go
@@ -142,7 +142,7 @@ func TestStackTrace(t *testing.T) {
 	}, {
 		Cause(func() error {
 			return func() error {
-				return Errorf("hello %s", fmt.Sprintf("world"))
+				return Errorf("hello %s", fmt.Sprintf("world: %s", "ooh"))
 			}()
 		}()), []string{
 			`github.com/pkg/errors.TestStackTrace.func2.1` +