diff --git a/tinyman/governance/client.py b/tinyman/governance/client.py
index 5535d6c..b9bf221 100644
--- a/tinyman/governance/client.py
+++ b/tinyman/governance/client.py
@@ -602,7 +602,7 @@ def prepare_create_proposal_transactions(
         if required_tiny_power := self.get_required_tiny_power_to_create_proposal():
             if account_tiny_power < required_tiny_power:
                 raise InsufficientTinyPower()
-        
+
         if executor:
             executor = decode_address(executor)
         else:
diff --git a/tinyman/governance/vault/constants.py b/tinyman/governance/vault/constants.py
index 4cc8ca1..fc6756e 100644
--- a/tinyman/governance/vault/constants.py
+++ b/tinyman/governance/vault/constants.py
@@ -1,5 +1,5 @@
 from tinyman.constants import MINIMUM_BALANCE_REQUIREMENT_PER_BOX, MINIMUM_BALANCE_REQUIREMENT_PER_BOX_BYTE
-from tinyman.governance.constants import DAY, WEEK
+from tinyman.governance.constants import WEEK
 
 MIN_LOCK_TIME = 4 * WEEK                # 4 WEEK
 MAX_LOCK_TIME = 4 * 52 * WEEK           # 364 * 4 Days
diff --git a/tinyman/governance/vault/transactions.py b/tinyman/governance/vault/transactions.py
index c367f88..940fd4e 100644
--- a/tinyman/governance/vault/transactions.py
+++ b/tinyman/governance/vault/transactions.py
@@ -17,7 +17,7 @@
     SLOPE_CHANGE_BOX_COST, ACCOUNT_POWER_BOX_COST, TOTAL_POWER_BOX_COST, MIN_LOCK_AMOUNT, MIN_LOCK_AMOUNT_INCREMENT, INIT_APP_ARGUMENT, CREATE_LOCK_APP_ARGUMENT, \
     CREATE_CHECKPOINTS_APP_ARGUMENT, INCREASE_LOCK_AMOUNT_APP_ARGUMENT, EXTEND_LOCK_END_TIME_APP_ARGUMENT, WITHDRAW_APP_ARGUMENT, GET_TINY_POWER_OF_APP_ARGUMENT, \
     GET_TINY_POWER_OF_AT_APP_ARGUMENT, GET_TOTAL_TINY_POWER_APP_ARGUMENT, GET_TOTAL_TINY_POWER_AT_APP_ARGUMENT, GET_TOTAL_CUMULATIVE_POWER_AT_APP_ARGUMENT, GET_CUMULATIVE_POWER_OF_AT_APP_ARGUMENT, \
-    GET_ACCOUNT_CUMULATIVE_POWER_DELTA_APP_PREFIX, GET_TOTAL_CUMULATIVE_POWER_DELTA_APP_PREFIX,DELETE_ACCOUNT_POWER_BOXES_APP_ARGUMENT, DELETE_ACCOUNT_STATE_APP_ARGUMENT
+    GET_ACCOUNT_CUMULATIVE_POWER_DELTA_APP_PREFIX, GET_TOTAL_CUMULATIVE_POWER_DELTA_APP_PREFIX, DELETE_ACCOUNT_POWER_BOXES_APP_ARGUMENT, DELETE_ACCOUNT_STATE_APP_ARGUMENT
 from tinyman.governance.vault.utils import get_new_total_power_timestamps
 from tinyman.utils import TransactionGroup
 
@@ -616,7 +616,7 @@ def prepare_get_total_cumulative_power_delta_transactions(
         total_power_box_index_1 = 0
     else:
         total_power_box_index_1 = total_power_index_1 // TOTAL_POWER_BOX_ARRAY_LEN
-    
+
     total_power_index_2 = get_power_index_at(total_powers, timestamp_2)
     if total_power_index_2 is None:
         total_power_index_2 = 0
diff --git a/tinyman/utils.py b/tinyman/utils.py
index 58995dc..5fc1776 100644
--- a/tinyman/utils.py
+++ b/tinyman/utils.py
@@ -90,7 +90,7 @@ def get_state_bytes(state, key):
 
 
 def lpad(string: bytes, n: int) -> bytes:
-    assert(n > 0)
+    assert (n > 0)
 
     return b"\x00" * (n - len(string)) + string