diff --git a/visualization/SingVisio/webpage/server.py b/visualization/SingVisio/webpage/server.py
index 875abba1..2625132d 100644
--- a/visualization/SingVisio/webpage/server.py
+++ b/visualization/SingVisio/webpage/server.py
@@ -69,7 +69,9 @@ def process():
             description="Missing query parameters: input_path and num_steps are required.",
         )
 
-    input_path = 'data' + input_path.split('data')[1] if 'data' in input_path else input_path
+    input_path = (
+        "data" + input_path.split("data")[1] if "data" in input_path else input_path
+    )
     input_path = input_path[1:] if input_path.startswith("/") else input_path
 
     try:
@@ -115,4 +117,4 @@ def serve_file(filename):
 
 # tmux new -s singvisio
 # conda activate singvisio
-# gunicorn -w 8 -b 0.0.0.0:8080 server:app
\ No newline at end of file
+# gunicorn -w 8 -b 0.0.0.0:8080 server:app