Achieve technical completeness

basics/pda-rent-payer/steel/api/src/instruction.rs

@@ -1,4 +1,4 @@
-use borsh::{ BorshDeserialize, BorshSerialize };
+use borsh::{BorshDeserialize, BorshSerialize};
 use steel::*;
 
 #[repr(u8)]

basics/pda-rent-payer/steel/program/src/create_new_account.rs

@@ -22,7 +22,7 @@ pub fn process_create_account(accounts: &[AccountInfo<'_>]) -> ProgramResult {
     // First we get the lamports required for rent
     // assuming this account has no inner data
     let lamports_required_for_rent = (Rent::get()?).minimum_balance(0);
-    
+
     if vault_balance < lamports_required_for_rent {
         return Err(ProgramError::InsufficientFunds);
     }

basics/pda-rent-payer/steel/program/src/init_rent_vault.rs

@@ -51,7 +51,7 @@ pub fn process_initialize_vault(accounts: &[AccountInfo<'_>], data: &[u8]) -> Pr
 
     match transfer {
         Ok(_) => (),
-        Err(e) => return Err(e.into()),
+        Err(e) => return Err(e),
     }
 
     msg!("Initialized rent vault.");