diff --git a/test/functional/feature_evm.py b/test/functional/feature_evm.py
index 83ad5c0280..47ed6fe2b2 100755
--- a/test/functional/feature_evm.py
+++ b/test/functional/feature_evm.py
@@ -255,13 +255,13 @@ def evm_gov_vars(self):
             -32600,
             "Cannot be set before NextNetworkUpgradeHeight",
             self.nodes[0].setgov,
-            {"ATTRIBUTES": {"v0/params/feature/evm": "true"}}
+            {"ATTRIBUTES": {"v0/params/feature/evm": "true"}},
         )
         assert_raises_rpc_error(
             -32600,
             "Cannot be set before NextNetworkUpgradeHeight",
             self.nodes[0].setgov,
-            {"ATTRIBUTES": {"v0/params/feature/transferdomain": "true"}}
+            {"ATTRIBUTES": {"v0/params/feature/transferdomain": "true"}},
         )
         assert_raises_rpc_error(
             -32600,
diff --git a/test/functional/feature_evm_logs.py b/test/functional/feature_evm_logs.py
index 97ff3966b7..f9c1883dde 100755
--- a/test/functional/feature_evm_logs.py
+++ b/test/functional/feature_evm_logs.py
@@ -11,6 +11,7 @@
 from test_framework.evm_key_pair import EvmKeyPair
 from web3._utils.events import get_event_data
 
+
 class EVMTestLogs(DefiTestFramework):
     def set_test_params(self):
         self.num_nodes = 1
diff --git a/test/functional/feature_evm_rollback.py b/test/functional/feature_evm_rollback.py
index b7a526ed7f..f6c5b5eb9b 100755
--- a/test/functional/feature_evm_rollback.py
+++ b/test/functional/feature_evm_rollback.py
@@ -189,7 +189,6 @@ def test_rollback_transactions(self):
     def run_test(self):
         self.setup()
 
-
         self.nodes[0].transferdomain(
             [
                 {
diff --git a/test/functional/feature_evm_transaction_replacement.py b/test/functional/feature_evm_transaction_replacement.py
index 76a1ccf994..4e69b5ca6e 100755
--- a/test/functional/feature_evm_transaction_replacement.py
+++ b/test/functional/feature_evm_transaction_replacement.py
@@ -138,7 +138,8 @@ def should_prioritize_transaction_with_the_higher_gas_price(self):
             -32001,
             "lower fee as existing mempool entry",
             self.send_transaction,
-            gasPrices[0], count
+            gasPrices[0],
+            count,
         )
 
         self.nodes[0].generate(1)
diff --git a/test/functional/feature_evm_transferdomain.py b/test/functional/feature_evm_transferdomain.py
index 61091bd31b..3535901872 100755
--- a/test/functional/feature_evm_transferdomain.py
+++ b/test/functional/feature_evm_transferdomain.py
@@ -908,10 +908,12 @@ def invalid_transfer_evm_dvm_after_evm_tx(self):
         self.valid_transfer_dvm_evm()
 
         balance = self.nodes[0].eth_getBalance(self.eth_address)
-        assert_equal(balance, "0x56bc75e2d63100000") # 100 DFI
-        erc55_address = self.nodes[0].getnewaddress('', 'erc55')
+        assert_equal(balance, "0x56bc75e2d63100000")  # 100 DFI
+        erc55_address = self.nodes[0].getnewaddress("", "erc55")
 
-        tx1 = self.nodes[0].evmtx(self.eth_address, 0, 21, 21001, erc55_address, 50) # Spend half balance
+        tx1 = self.nodes[0].evmtx(
+            self.eth_address, 0, 21, 21001, erc55_address, 50
+        )  # Spend half balance
 
         # Transfer 100 DFI from EVM to DVM
         tx2 = transfer_domain(
@@ -947,7 +949,8 @@ def run_test(self):
 
         self.valid_transfer_to_evm_then_move_then_back_to_dvm()
 
-        self.invalid_transfer_evm_dvm_after_evm_tx() # TODO assert behaviour here. transferdomain shouldn't be kept in mempool since its nonce will never be valid
+        self.invalid_transfer_evm_dvm_after_evm_tx()  # TODO assert behaviour here. transferdomain shouldn't be kept in mempool since its nonce will never be valid
+
 
 if __name__ == "__main__":
     EVMTest().main()
diff --git a/test/functional/feature_evm_vmmap_rpc.py b/test/functional/feature_evm_vmmap_rpc.py
index c2301191f1..652043f01e 100755
--- a/test/functional/feature_evm_vmmap_rpc.py
+++ b/test/functional/feature_evm_vmmap_rpc.py
@@ -395,7 +395,11 @@ def vmmap_transfer_domain(self):
         tx = self.nodes[0].transferdomain(
             [
                 {
-                    "src": {"address": self.ethAddress, "amount": "100@DFI", "domain": 3},
+                    "src": {
+                        "address": self.ethAddress,
+                        "amount": "100@DFI",
+                        "domain": 3,
+                    },
                     "dst": {
                         "address": self.address,
                         "amount": "100@DFI",