Reformat imports to a consistent style for imports

rustfmt.toml configuration:
  imports_granularity = "One"
  group_imports = "One"

account-decoder/src/parse_sysvar.rs

@@ -1,20 +1,22 @@
-use crate::{
-    parse_account_data::{ParsableAccount, ParseAccountError},
-    StringAmount, UiFeeCalculator,
-};
-use bincode::deserialize;
-use bv::BitVec;
 #[allow(deprecated)]
 use solana_sdk::sysvar::{fees::Fees, recent_blockhashes::RecentBlockhashes};
-use solana_sdk::{
-    clock::{Clock, Epoch, Slot, UnixTimestamp},
-    epoch_schedule::EpochSchedule,
-    pubkey::Pubkey,
-    rent::Rent,
-    slot_hashes::SlotHashes,
-    slot_history::{self, SlotHistory},
-    stake_history::{StakeHistory, StakeHistoryEntry},
-    sysvar::{self, rewards::Rewards},
+use {
+    crate::{
+        parse_account_data::{ParsableAccount, ParseAccountError},
+        StringAmount, UiFeeCalculator,
+    },
+    bincode::deserialize,
+    bv::BitVec,
+    solana_sdk::{
+        clock::{Clock, Epoch, Slot, UnixTimestamp},
+        epoch_schedule::EpochSchedule,
+        pubkey::Pubkey,
+        rent::Rent,
+        slot_hashes::SlotHashes,
+        slot_history::{self, SlotHistory},
+        stake_history::{StakeHistory, StakeHistoryEntry},
+        sysvar::{self, rewards::Rewards},
+    },
 };
 
 pub fn parse_sysvar(data: &[u8], pubkey: &Pubkey) -> Result<SysvarAccountType, ParseAccountError> {
@@ -218,10 +220,12 @@ pub struct UiStakeHistoryEntry {
 
 #[cfg(test)]
 mod test {
-    use super::*;
     #[allow(deprecated)]
     use solana_sdk::sysvar::recent_blockhashes::IterItem;
-    use solana_sdk::{account::create_account_for_test, fee_calculator::FeeCalculator, hash::Hash};
+    use {
+        super::*,
+        solana_sdk::{account::create_account_for_test, fee_calculator::FeeCalculator, hash::Hash},
+    };
 
     #[test]
     fn test_parse_sysvars() {