From 17bbdc180ce12b9506788e855ba7b99a1cd154c3 Mon Sep 17 00:00:00 2001
From: Stanton Xu <xjiefeng@gmail.com>
Date: Sat, 6 Jun 2020 20:02:15 -0700
Subject: [PATCH] import os for upgrade

Signed-off-by: Stanton Xu <xjiefeng@gmail.com>
---
 cmd/helm/upgrade.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmd/helm/upgrade.go b/cmd/helm/upgrade.go
index 1852abeb9..bbd6a23d0 100644
--- a/cmd/helm/upgrade.go
+++ b/cmd/helm/upgrade.go
@@ -19,6 +19,7 @@ package main
 import (
 	"fmt"
 	"io"
+	"os"
 	"strings"
 
 	"github.com/spf13/cobra"