Update app.py

app.py

@@ -5,6 +5,7 @@ import os
 app = Flask(__name__)
 #get servo list from id
 def get_servo_list(fileid):
+    fileid = int(fileid)
     with open('database.txt', 'r') as file:
         for current_line, line_content in enumerate(file, 1):
             if current_line == fileid: