block_stream: Modify crate import ordering to match style guide

Jorge Olivero · Jorge Olivero · commit 678f8d9d53cd · 2019-04-17T12:22:23.000-05:00
diff --git a/datasource/ethereum/src/block_stream.rs b/datasource/ethereum/src/block_stream.rs
@@ -7,6 +7,7 @@ use std::env;
 use std::mem;
 use std::sync::Mutex;
 use std::cmp::Ordering;
+use tiny_keccak::keccak256;
 
 use graph::components::forward;
 use graph::data::subgraph::schema::{
@@ -18,8 +19,6 @@ use graph::prelude::{
 use graph::util::ethereum::string_to_h256;
 use graph::web3::types::*;
 
-use tiny_keccak::keccak256;
-
 enum BlockStreamState {
     /// The BlockStream is new and has not yet been polled.
     ///
