From bec80177c0276ead01121dc0f887261566e2a8c4 Mon Sep 17 00:00:00 2001
From: guanqun <guanqun.lu@gmail.com>
Date: Sat, 29 Sep 2018 16:34:53 +0800
Subject: [PATCH] fix a warning (#839)

---
 substrate/srml/contract/src/exec.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/substrate/srml/contract/src/exec.rs b/substrate/srml/contract/src/exec.rs
index 0c0e3d59d8..e58dadf7e4 100644
--- a/substrate/srml/contract/src/exec.rs
+++ b/substrate/srml/contract/src/exec.rs
@@ -21,7 +21,7 @@ use vm;
 
 use rstd::prelude::*;
 use runtime_primitives::traits::{Zero, CheckedAdd, CheckedSub};
-use runtime_support::{StorageMap, StorageValue};
+use runtime_support::StorageValue;
 use balances::{self, EnsureAccountLiquid};
 
 // TODO: Add logs