diff --git a/exoscale/api/exceptions.py b/exoscale/api/exceptions.py
index ee98ef0..2d90cf2 100644
--- a/exoscale/api/exceptions.py
+++ b/exoscale/api/exceptions.py
@@ -1,22 +1,28 @@
 # exceptions.py
 
+
 class ExoscaleAPIException(Exception):
     """
     Base exception for exoscale API errors.
     Base for all other exception classes, it allows to catch all exoscale exceptions with a single except block.
     """
+
     pass
 
+
 class ExoscaleAPIClientException(ExoscaleAPIException):
     """
     For client-side errors (4xx).
     Shows that the client sent a bad request.
     """
+
     pass
 
+
 class ExoscaleAPIServerException(ExoscaleAPIException):
     """
     For server-side errors (5xx).
     Shows the server encountered an error while processing the request.
     """
+
     pass
diff --git a/exoscale/api/v2.py b/exoscale/api/v2.py
index 1ba25eb..2bab091 100644
--- a/exoscale/api/v2.py
+++ b/exoscale/api/v2.py
@@ -167,7 +167,6 @@ def _call_operation(self, operation_id, parameters=None, body=None):
                 f"Server error {response.status_code}: {response.text}"
             )
 
-
         return response.json()