diff --git a/blockchain_integration/pi_network/config/network_settings.py b/blockchain_integration/pi_network/config/network_settings.py
index df1f65d49..a38e27f73 100644
--- a/blockchain_integration/pi_network/config/network_settings.py
+++ b/blockchain_integration/pi_network/config/network_settings.py
@@ -1,14 +1,18 @@
 import json
-from pi_network.utils.cryptographic_helpers import encrypt_data, decrypt_data
+
+from pi_network.utils.cryptographic_helpers import decrypt_data, encrypt_data
+
 
 class NetworkSettings:
     def __init__(self):
-        self.settings_file = os.path.join(os.path.dirname(__file__), 'network_settings.json')
+        self.settings_file = os.path.join(
+            os.path.dirname(__file__), "network_settings.json"
+        )
         self.settings_data = self.load_settings_data()
 
     def load_settings_data(self):
         if os.path.exists(self.settings_file):
-            with open(self.settings_file, 'r') as f:
+            with open(self.settings_file, "r") as f:
                 settings_data = json.load(f)
                 return settings_data
         else:
@@ -25,22 +29,26 @@ def get_setting(self, key: str):
     def set_setting(self, key: str, value: str):
         encrypted_value = encrypt_data(value)
         self.settings_data[key] = encrypted_value
-        with open(self.settings_file, 'w') as f:
+        with open(self.settings_file, "w") as f:
             json.dump(self.settings_data, f)
 
     def delete_setting(self, key: str):
         if key in self.settings_data:
             del self.settings_data[key]
-            with open(self.settings_file, 'w') as f:
+            with open(self.settings_file, "w") as f:
                 json.dump(self.settings_data, f)
 
+
 network_settings = NetworkSettings()
 
+
 def get_network_setting(key: str):
     return network_settings.get_setting(key)
 
+
 def set_network_setting(key: str, value: str):
     network_settings.set_setting(key, value)
 
+
 def delete_network_setting(key: str):
     network_settings.delete_setting(key)