Fmt and remove unused import

frame/support/src/migrations.rs

@@ -66,6 +66,8 @@ impl PalletVersionToStorageVersionHelper for T {
 /// This will remove all `PalletVersion's` from the state and insert the current storage version.
 pub fn migrate_from_pallet_version_to_storage_version<
 	AllPallets: PalletVersionToStorageVersionHelper,
->(db_weight: &RuntimeDbWeight) -> Weight {
+>(
+	db_weight: &RuntimeDbWeight,
+) -> Weight {
 	AllPallets::migrate(db_weight)
 }

frame/support/test/tests/pallet.rs

@@ -15,11 +15,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use frame_support::{dispatch::{Parameter, UnfilteredDispatchable}, storage::unhashed, traits::{
+use frame_support::{
+	dispatch::{Parameter, UnfilteredDispatchable},
+	storage::unhashed,
+	traits::{
 		GetCallName, GetStorageVersion, OnFinalize, OnGenesis, OnInitialize, OnRuntimeUpgrade,
 		PalletInfoAccess, StorageVersion,
-	}, weights::{DispatchClass, DispatchInfo, GetDispatchInfo, Pays, RuntimeDbWeight}};
-use frame_system::WeightInfo;
+	},
+	weights::{DispatchClass, DispatchInfo, GetDispatchInfo, Pays, RuntimeDbWeight},
+};
 use sp_io::{
 	hashing::{blake2_128, twox_128, twox_64},
 	TestExternalities,