diff --git a/bancor_research/bancor_simulator/v3/spec/network.py b/bancor_research/bancor_simulator/v3/spec/network.py
index 5a72360..eb8f7e7 100644
--- a/bancor_research/bancor_simulator/v3/spec/network.py
+++ b/bancor_research/bancor_simulator/v3/spec/network.py
@@ -19,6 +19,7 @@ def to_decimal(percent: str):
     except TypeError:
         return percent
 
+
 def to_user_amount(state: State, tkn_name: str, user_name: str, amount: str):
     if amount.endswith("%"):
         return get_user_balance(state, user_name, tkn_name) * to_decimal(amount)
@@ -429,7 +430,7 @@ def whitelist_token(self, tkn_name: str, timestamp: int = 0):
         """
         state = self.get_state(copy_type="initial", timestamp=timestamp)
         tkn_name = tkn_name.lower()
-        state.price_feeds[tkn_name]=[0 for _ in range(len(state.price_feeds))]
+        state.price_feeds[tkn_name] = [0 for _ in range(len(state.price_feeds))]
 
         state.create_whitelisted_tkn(tkn_name)
         handle_whitelisting_tokens(state)
diff --git a/bancor_research/bancor_simulator/v3/spec/state.py b/bancor_research/bancor_simulator/v3/spec/state.py
index 4296dd8..5728bea 100644
--- a/bancor_research/bancor_simulator/v3/spec/state.py
+++ b/bancor_research/bancor_simulator/v3/spec/state.py
@@ -777,7 +777,7 @@ def create_whitelisted_tkn(self, tkn_name: str):
                 "decimals": 18,
                 "trading_fee": DEFAULT_TRADING_FEE,
                 "bnt_funding_limit": DEFAULT_BNT_FUNDING_LIMIT,
-                "ep_vault_balance": DEFAULT.EP_VAULT_BALANCE
+                "ep_vault_balance": DEFAULT.EP_VAULT_BALANCE,
             }
         return self