i finaly fixed it

e

pywebsrv.py

@@ -159,6 +159,8 @@ class FileHandler:
                             value = value.rstrip("/")
                         return value
                     return value
+        if option == "block-ua":
+            return [], []
         return None
 
     def read_new_config(self, option, host=None):
@@ -583,7 +585,7 @@ class WebServer:
 
 def main():
     file_handler = FileHandler()
-    file_handler.check_first_run()
+    # file_handler.check_first_run()
     file_handler.base_dir = file_handler.read_config("directory")
     http_port = file_handler.read_config("port") or 8080
     https_port = file_handler.read_config("port-https") or 8443