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

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

pytest_jupyter/jupyter_server.py

@@ -51,6 +51,7 @@
 # The io_loop fixture is overidden in jupyter_core.py so it
 # can be shared by other plugins that need it (e.g. jupyter_client.py).
 
+
 @pytest.fixture
 def jp_http_server(jp_io_loop, jp_http_server_port, jp_web_app):
     """Start a tornado HTTP server that listens on all available interfaces."""

pytest_jupyter/pytest_tornasync.py

@@ -34,9 +34,7 @@ def pytest_pyfunc_call(pyfuncitem):
     except KeyError:
         loop = tornado.ioloop.IOLoop.current()
 
-    loop.run_sync(
-        lambda: pyfuncitem.obj(**testargs)
-    )
+    loop.run_sync(lambda: pyfuncitem.obj(**testargs))
     return True
 
 
@@ -62,7 +60,6 @@ async def get_client():
         yield context
 
 
-
 class AsyncHTTPServerClient(SimpleAsyncHTTPClient):
     def initialize(self, *, http_server=None):
         super().initialize()
@@ -83,4 +80,4 @@ def get_http_port(self):
             return sock.getsockname()[1]
 
     def get_url(self, path):
-        return "%s://127.0.0.1:%s%s" % (self.get_protocol(), self.get_http_port(), path)
+        return "{}://127.0.0.1:{}{}".format(self.get_protocol(), self.get_http_port(), path)