diff --git a/backend/api_app/smartcontract/migrations/0008_alter_smartcontract_chain.py b/backend/api_app/smartcontract/migrations/0008_alter_smartcontract_chain.py
index 94383ed..ff7d148 100644
--- a/backend/api_app/smartcontract/migrations/0008_alter_smartcontract_chain.py
+++ b/backend/api_app/smartcontract/migrations/0008_alter_smartcontract_chain.py
@@ -4,15 +4,16 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('smartcontract', '0007_alter_smartcontract_chain'),
+        ("smartcontract", "0007_alter_smartcontract_chain"),
     ]
 
     operations = [
         migrations.AlterField(
-            model_name='smartcontract',
-            name='chain',
-            field=models.CharField(choices=[('ETH', 'eth'), ('SOL', 'sol')], max_length=16),
+            model_name="smartcontract",
+            name="chain",
+            field=models.CharField(
+                choices=[("ETH", "eth"), ("SOL", "sol")], max_length=16
+            ),
         ),
     ]
diff --git a/backend/api_app/smartcontract/migrations/0009_alter_smartcontract_address.py b/backend/api_app/smartcontract/migrations/0009_alter_smartcontract_address.py
index 21e11ac..ff087e0 100644
--- a/backend/api_app/smartcontract/migrations/0009_alter_smartcontract_address.py
+++ b/backend/api_app/smartcontract/migrations/0009_alter_smartcontract_address.py
@@ -4,15 +4,14 @@
 
 
 class Migration(migrations.Migration):
-
     dependencies = [
-        ('smartcontract', '0008_alter_smartcontract_chain'),
+        ("smartcontract", "0008_alter_smartcontract_chain"),
     ]
 
     operations = [
         migrations.AlterField(
-            model_name='smartcontract',
-            name='address',
+            model_name="smartcontract",
+            name="address",
             field=models.CharField(max_length=44),
         ),
     ]
diff --git a/backend/api_app/smartcontract/models.py b/backend/api_app/smartcontract/models.py
index 44d8aaa..00065ce 100644
--- a/backend/api_app/smartcontract/models.py
+++ b/backend/api_app/smartcontract/models.py
@@ -12,6 +12,7 @@ class Chain(models.TextChoices):
     ETH = "ETH", "eth"
     SOL = "SOL", "sol"
 
+
 class Network(models.TextChoices):
     # eth network choices
     MAINNET = "MAINNET", "mainnet"
diff --git a/backend/api_app/smartcontract/serializers.py b/backend/api_app/smartcontract/serializers.py
index 1ae3453..178fd46 100644
--- a/backend/api_app/smartcontract/serializers.py
+++ b/backend/api_app/smartcontract/serializers.py
@@ -1,5 +1,5 @@
-import re
 import logging
+import re
 
 from rest_framework import serializers
 
@@ -71,8 +71,10 @@ def smart_contract_validator(value):
         pattern_sol_check = pattern_sol.match(value)
         pattern_eth_check = pattern_eth.match(value)
 
-        logger.info(f"pattern_sol_check: {pattern_sol_check} and pattern_eth_check: {pattern_eth_check} for value: {value}")
-        
+        logger.info(
+            f"pattern_sol_check: {pattern_sol_check} and pattern_eth_check: {pattern_eth_check} for value: {value}"
+        )
+
         if not (pattern_sol_check or pattern_eth_check):
             raise serializers.ValidationError("Invalid smart contract address")