diff --git a/voila/app.py b/voila/app.py
index ba45285fb..28b844d9c 100644
--- a/voila/app.py
+++ b/voila/app.py
@@ -135,9 +135,7 @@ class Voila(Application):
     jupyverse = Bool(
         False,
         config=True,
-        help=_(
-            "Use Jupyverse backend"
-        ),
+        help=_("Use Jupyverse backend"),
     )
     description = Unicode(
         """voila [OPTIONS] NOTEBOOK_FILENAME
@@ -791,7 +789,9 @@ def start(self):
             try:
                 from fps_voila import run_application
             except ImportError:
-                raise RuntimeError("Please install fps-voila in order to use the Jupyverse backend")
+                raise RuntimeError(
+                    "Please install fps-voila in order to use the Jupyverse backend"
+                )
 
             run_application(
                 settings,
diff --git a/voila/jupyverse/fps_voila/main.py b/voila/jupyverse/fps_voila/main.py
index 50b825c17..8c8355f00 100644
--- a/voila/jupyverse/fps_voila/main.py
+++ b/voila/jupyverse/fps_voila/main.py
@@ -1,7 +1,6 @@
 import pkg_resources
 
 from asphalt.core import Component, ContainerComponent, Context
-from asphalt.web.fastapi import FastAPIComponent
 from jupyverse_api.app import App
 from jupyverse_api.auth import Auth
 
@@ -10,13 +9,13 @@
 
 class VoilaComponent(Component):
     def __init__(
-            self,
-            *,
-            settings,
-            voila_configuration,
-            static_paths,
-            base_url,
-        ):
+        self,
+        *,
+        settings,
+        voila_configuration,
+        static_paths,
+        base_url,
+    ):
         super().__init__()
         self.settings = settings
         self.voila_configuration = voila_configuration
@@ -60,7 +59,10 @@ def __init__(
         self.port = port
 
     async def start(self, ctx: Context) -> None:
-        asphalt_components = {ep.name: ep for ep in pkg_resources.iter_entry_points(group="asphalt.components")}
+        asphalt_components = {
+            ep.name: ep
+            for ep in pkg_resources.iter_entry_points(group="asphalt.components")
+        }
 
         self.add_component(
             "fastapi",
diff --git a/voila/jupyverse/fps_voila/routes.py b/voila/jupyverse/fps_voila/routes.py
index c583262a2..004328ac1 100644
--- a/voila/jupyverse/fps_voila/routes.py
+++ b/voila/jupyverse/fps_voila/routes.py
@@ -15,14 +15,14 @@
 
 class Voila(Router):
     def __init__(
-            self,
-            app: App,
-            auth: Auth,
-            settings,
-            voila_configuration,
-            static_paths,
-            base_url,
-        ):
+        self,
+        app: App,
+        auth: Auth,
+        settings,
+        voila_configuration,
+        static_paths,
+        base_url,
+    ):
         super().__init__(app=app)
 
         router = APIRouter()
@@ -47,6 +47,7 @@ async def get_root(request: Request):
             MultiStaticFiles(directories=static_paths, check_dir=False),
         )
 
+
 class MultiStaticFiles(StaticFiles):
     def __init__(self, directories: List[PathLike] = [], **kwargs) -> None:
         super().__init__(**kwargs)