diff --git a/client/basic-authorship/src/basic_authorship.rs b/client/basic-authorship/src/basic_authorship.rs
index b67008bc6f44b..d9fe82070fa5a 100644
--- a/client/basic-authorship/src/basic_authorship.rs
+++ b/client/basic-authorship/src/basic_authorship.rs
@@ -625,12 +625,14 @@ mod tests {
 			.unwrap();
 
 		block_on(
-			txpool.maintain(chain_event(
-				client
-					.header(&BlockId::Number(0u64))
-					.expect("header get error")
-					.expect("there should be header"),
-			)),
+			txpool.maintain(
+				chain_event(
+					client
+						.header(&BlockId::Number(0u64))
+						.expect("header get error")
+						.expect("there should be header"),
+				),
+			),
 		);
 
 		let mut proposer_factory =
@@ -720,12 +722,14 @@ mod tests {
 		block_on(txpool.submit_at(&BlockId::number(0), SOURCE, vec![extrinsic(0)])).unwrap();
 
 		block_on(
-			txpool.maintain(chain_event(
-				client
-					.header(&BlockId::Number(0u64))
-					.expect("header get error")
-					.expect("there should be header"),
-			)),
+			txpool.maintain(
+				chain_event(
+					client
+						.header(&BlockId::Number(0u64))
+						.expect("header get error")
+						.expect("there should be header"),
+				),
+			),
 		);
 
 		let mut proposer_factory =
@@ -821,12 +825,14 @@ mod tests {
 		};
 
 		block_on(
-			txpool.maintain(chain_event(
-				client
-					.header(&BlockId::Number(0u64))
-					.expect("header get error")
-					.expect("there should be header"),
-			)),
+			txpool.maintain(
+				chain_event(
+					client
+						.header(&BlockId::Number(0u64))
+						.expect("header get error")
+						.expect("there should be header"),
+				),
+			),
 		);
 		assert_eq!(txpool.ready().count(), 7);
 
@@ -835,12 +841,14 @@ mod tests {
 		block_on(client.import(BlockOrigin::Own, block)).unwrap();
 
 		block_on(
-			txpool.maintain(chain_event(
-				client
-					.header(&BlockId::Number(1))
-					.expect("header get error")
-					.expect("there should be header"),
-			)),
+			txpool.maintain(
+				chain_event(
+					client
+						.header(&BlockId::Number(1))
+						.expect("header get error")
+						.expect("there should be header"),
+				),
+			),
 		);
 		assert_eq!(txpool.ready().count(), 5);
 
@@ -965,12 +973,14 @@ mod tests {
 		.unwrap();
 
 		block_on(
-			txpool.maintain(chain_event(
-				client
-					.header(&BlockId::Number(0u64))
-					.expect("header get error")
-					.expect("there should be header"),
-			)),
+			txpool.maintain(
+				chain_event(
+					client
+						.header(&BlockId::Number(0u64))
+						.expect("header get error")
+						.expect("there should be header"),
+				),
+			),
 		);
 		assert_eq!(txpool.ready().count(), MAX_SKIPPED_TRANSACTIONS * 3);
 
@@ -1028,12 +1038,14 @@ mod tests {
 		.unwrap();
 
 		block_on(
-			txpool.maintain(chain_event(
-				client
-					.header(&BlockId::Number(0u64))
-					.expect("header get error")
-					.expect("there should be header"),
-			)),
+			txpool.maintain(
+				chain_event(
+					client
+						.header(&BlockId::Number(0u64))
+						.expect("header get error")
+						.expect("there should be header"),
+				),
+			),
 		);
 		assert_eq!(txpool.ready().count(), MAX_SKIPPED_TRANSACTIONS * 2 + 2);
 
diff --git a/frame/contracts/rpc/src/lib.rs b/frame/contracts/rpc/src/lib.rs
index 63ab4102422e5..b72ae395b336a 100644
--- a/frame/contracts/rpc/src/lib.rs
+++ b/frame/contracts/rpc/src/lib.rs
@@ -192,8 +192,8 @@ impl<Client, Block, AccountId, Balance, Hash>
 		<<Block as BlockT>::Header as HeaderT>::Number,
 		AccountId,
 		Balance,
-	    Hash,
-	    VarSizedKey,
+		Hash,
+		VarSizedKey,
 	> for Contracts<Client, Block>
 where
 	Block: BlockT,