remove unused import (#2678)

remove unused import
This commit is contained in:
Tengfei Niu
2019-05-24 13:44:09 +08:00
committed by Svyatoslav Nikolsky
parent 24c08a780d
commit 69ffec5822
-1
View File
@@ -17,7 +17,6 @@
use serde::Deserialize;
use std::{convert::TryFrom, fmt::Debug};
use primitives::U256;
use runtime_primitives::traits;
/// RPC Block number type
///