diff --git a/examples/server/main.py b/examples/server/main.py
index 92bb7eb..f026335 100644
--- a/examples/server/main.py
+++ b/examples/server/main.py
@@ -32,9 +32,8 @@ def handler(client: socket.socket, address: str):
             continue
         else:
             req_header[key.decode().lower()] = value.decode()
-    status, headers, content, manually = response(
-        client, req_uri.decode(), req_header, req_body_str
-    )
+    status, headers, content, manually = response(client, req_uri.decode(),
+                                                  req_header, req_body_str)
     if not manually:
         client.send(req_http_version + b" " + status.encode() + b"\r\n")
         client.send(b"Access-Control-Allow-Origin: *\r\n")
@@ -75,51 +74,42 @@ def main():
         threading.Thread(target=handler, args=sock.accept()).start()
 
 
-def response(
-    client: socket.socket, uri: str, header: dict, body: bytes
-) -> tuple[str, list, bytes, bool]:
+def response(client: socket.socket, uri: str, header: dict,
+             body: bytes) -> tuple[str, list, bytes, bool]:
     if re.search(r"^/audio/track/([0-9a-zA-Z]{22})$", uri) is not None:
-        track_id_search = re.search(r"^/audio/track/(?P<TrackID>[0-9a-zA-Z]{22})$", uri)
+        track_id_search = re.search(
+            r"^/audio/track/(?P<TrackID>[0-9a-zA-Z]{22})$", uri)
         track_id_str = track_id_search.group("TrackID")
         track_id = TrackId.from_base62(track_id_str)
         stream = session.content_feeder().load(
-            track_id, VorbisOnlyAudioQuality(AudioQuality.VERY_HIGH), False, None
-        )
+            track_id, VorbisOnlyAudioQuality(AudioQuality.VERY_HIGH), False,
+            None)
         start = 0
         end = stream.input_stream.stream().size()
         if header.get("range") is not None:
             range_search = re.search(
-                "^bytes=(?P<start>[0-9]+?)-(?P<end>[0-9]+?)$", header.get("range")
-            )
+                "^bytes=(?P<start>[0-9]+?)-(?P<end>[0-9]+?)$",
+                header.get("range"))
             if range_search is not None:
                 start = int(range_search.group("start"))
-                end = (
-                    int(range_search.group("end"))
-                    if int(range_search.group("end"))
-                    <= stream.input_stream.stream().size()
-                    else stream.input_stream.stream().size()
-                )
+                end = (int(range_search.group("end"))
+                       if int(range_search.group("end")) <=
+                       stream.input_stream.stream().size() else
+                       stream.input_stream.stream().size())
                 stream.input_stream.stream().skip(start)
         client.send(b"HTTP/1.0 200 OK\r\n")
         client.send(b"Access-Control-Allow-Origin: *\r\n")
-        client.send(
-            b"Content-Length: "
-            + (
-                str(stream.input_stream.stream().size()).encode()
-                if stream.input_stream.stream().size() == end
-                else "{}-{}/{}".format(
-                    start, end, stream.input_stream.stream().size()
-                ).encode()
-            )
-            + b"\r\n"
-        )
+        client.send(b"Content-Length: " +
+                    (str(stream.input_stream.stream().size()).encode() if
+                     stream.input_stream.stream().size() == end else "{}-{}/{}"
+                     .format(start, end,
+                             stream.input_stream.stream().size()).encode()) +
+                    b"\r\n")
         client.send(b"Content-Type: audio/ogg\r\n")
         client.send(b"\r\n")
         while True:
-            if (
-                stream.input_stream.stream().pos()
-                >= stream.input_stream.stream().size()
-            ):
+            if (stream.input_stream.stream().pos() >=
+                    stream.input_stream.stream().size()):
                 break
             byte = stream.input_stream.stream().read()
             client.send(bytes([byte]))