ubuntu@ubuntu:~/workspace/abc$ pserve --reload development.ini
Starting subprocess with file monitor
at start of server
usage: pserve [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
or: pserve --help [cmd1 cmd2 ...]
or: pserve --help-commands
or: pserve cmd --help
error: option --reload not recognized
このエラーの原因を誰か教えてもらえますか?