[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

voila/app.py

@@ -744,7 +744,8 @@ def init_handlers(self) -> List:
                 ),
                 (
                     url_path_join(
-                        self.server_url, r"/voila/api/kernels/%s/channels" % _kernel_id_regex
+                        self.server_url,
+                        r"/voila/api/kernels/%s/channels" % _kernel_id_regex,
                     ),
                     VoilaKernelWebsocketHandler,
                 ),

voila/handler.py

@@ -205,7 +205,7 @@ async def get_generator(self, path=None):
                     **page_config_kwargs,
                     notebook_path=notebook_path,
                 )
-            print('vvvvvvvssvv', page_config)
+            print("vvvvvvvssvv", page_config)
 
             gen = NotebookRenderer(
                 request_handler=self,

voila/server_extension.py

@@ -130,13 +130,10 @@ def _load_jupyter_server_extension(server_app: ServerApp):
     labextensions_path = get_voila_labextensions_path(
         voila_configuration.extra_labextensions_path
     )
-    print('conteit', server_app.config)
+    print("conteit", server_app.config)
     handlers = [
-
         (
-            url_path_join(
-                base_url, r"/voila/api/kernels/%s" % _kernel_id_regex
-            ),
+            url_path_join(base_url, r"/voila/api/kernels/%s" % _kernel_id_regex),
             KernelHandler,
         ),
         (
@@ -145,7 +142,6 @@ def _load_jupyter_server_extension(server_app: ServerApp):
             ),
             VoilaKernelWebsocketHandler,
         ),
-                
         (
             url_path_join(base_url, "/voila/render/(.*)"),
             TornadoVoilaHandler,

voila/tornado/kernel_websocket_handler.py

@@ -18,6 +18,7 @@
 
     JUPYTER_SERVER_2 = False
 
+
 def read_header_from_binary_message(ws_msg: bytes) -> Optional[Dict]:
     """Read message header using the v1 protocol."""
 
@@ -32,11 +33,10 @@ def read_header_from_binary_message(ws_msg: bytes) -> Optional[Dict]:
     except Exception:
         return
 
+
 if JUPYTER_SERVER_2:
     SUPPORTED_SUBPROTOCOL = ["v1.kernel.websocket.jupyter.org"]
 
-
-
     class VoilaKernelWebsocketHandler(WebsocketHandler):
 
         _ALL_EXECUTION_DATA = {}

voila/utils.py

@@ -138,7 +138,7 @@ def get_page_config(
         "mathjax_url",
         None,
     )
-    print('cvvvvvvvvcccccccccc', settings, mathjax_config, mathjax_url)
+    print("cvvvvvvvvcccccccccc", settings, mathjax_config, mathjax_url)
     page_config.setdefault("mathjaxConfig", mathjax_config)
     page_config.setdefault("fullMathjaxUrl", mathjax_url)
     labextensions_path = get_voila_labextensions_path(