diff --git a/nova/gateway.py b/nova/gateway.py
index 46e9a96..63266e8 100644
--- a/nova/gateway.py
+++ b/nova/gateway.py
@@ -76,7 +76,7 @@ def __init__(
     ):
         if host is None:
             host = config("NOVA_API", default=INTERNAL_CLUSTER_NOVA_API)
-        
+
         if username is None:
             username = config("NOVA_USERNAME", default=None)
 
@@ -127,7 +127,7 @@ def __init__(
 
     async def close(self):
         return await self._api_client.close()
-    
+
     @staticmethod
     def _host_with_prefix(host: str) -> str:
         """
@@ -140,11 +140,11 @@ def _host_with_prefix(host: str) -> str:
 
         if host.startswith("http") and not is_wabo_host:
             return host
-        
+
         if host.startswith("http") and is_wabo_host:
             return host.replace("http://", "https://")
-        
+
         if is_wabo_host:
             return f"https://{host}"
-        
+
         return f"http://{host}"
diff --git a/tests/test_gateway.py b/tests/test_gateway.py
index fd38e6a..3c943c1 100644
--- a/tests/test_gateway.py
+++ b/tests/test_gateway.py
@@ -1,5 +1,3 @@
-
-
 import pytest
 
 from nova.gateway import ApiGateway
@@ -8,7 +6,7 @@
 @pytest.mark.asyncio
 async def test_api_gateway_host():
     """
-    NOVA_API env does not provide any prefix, 
+    NOVA_API env might not provide any prefix,
     thus ApiGateway should make sure to use the prefix depending on the environment.
 
     https://wandelbots.atlassian.net/browse/RPS-1208
@@ -28,4 +26,3 @@ async def test_api_gateway_host():
     expected_host = "https://someinstance.wandelbots.io"
     gateway = ApiGateway(host="someinstance.wandelbots.io")
     assert gateway._host == expected_host
-