diff --git a/evm/src/cpu/kernel/constants/mod.rs b/evm/src/cpu/kernel/constants/mod.rs
index 723daac8..2125fa18 100644
--- a/evm/src/cpu/kernel/constants/mod.rs
+++ b/evm/src/cpu/kernel/constants/mod.rs
@@ -18,12 +18,15 @@ pub(crate) mod txn_fields;
 /// Constants that are accessible to our kernel assembly code.
 pub fn evm_constants() -> HashMap<String, U256> {
     let mut c = HashMap::new();
-    
-    let hex_constants = MISC_CONSTANTS.iter().chain(EC_CONSTANTS.iter()).chain(HASH_CONSTANTS.iter());
+
+    let hex_constants = MISC_CONSTANTS
+        .iter()
+        .chain(EC_CONSTANTS.iter())
+        .chain(HASH_CONSTANTS.iter());
     for (name, value) in hex_constants {
         c.insert(name.clone().into(), U256::from_big_endian(value));
     }
-    
+
     for (name, value) in GAS_CONSTANTS {
         c.insert(name.into(), U256::from(value));
     }
diff --git a/evm/src/cpu/kernel/tests/hash.rs b/evm/src/cpu/kernel/tests/hash.rs
index 52c8d9dd..c26c2f88 100644
--- a/evm/src/cpu/kernel/tests/hash.rs
+++ b/evm/src/cpu/kernel/tests/hash.rs
@@ -1,7 +1,7 @@
 use std::str::FromStr;
 
 use anyhow::Result;
-use blake::{hash as blake_hash};
+use blake::hash as blake_hash;
 use ethereum_types::U256;
 use rand::{thread_rng, Rng};
 use ripemd::{Digest, Ripemd160};