当我尝试启动服务器时，发生了以下错误：
ImportError: No module named robots
我试过使用pip：
pip install robots
但没有这样的模块
回溯如下：(env) U:\Python\mdknowledge>python manage.py runserver 0.0.0.0:8000
Traceback (most recent call last):
File "manage.py", line 8, in <module>
execute_from_command_line(sys.argv)
File "U:\Python\mdknowledge\env\lib\site-packages\django\core\management\__ini
t__.py", line 399, in execute_from_command_line
utility.execute()
File "U:\Python\mdknowledge\env\lib\site-packages\django\core\management\__ini
t__.py", line 392, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "U:\Python\mdknowledge\env\lib\site-packages\django\core\management\base.
py", line 242, in run_from_argv
self.execute(*args, **options.__dict__)
File "U:\Python\mdknowledge\env\lib\site-packages\django\core\management\base.
py", line 280, in execute
translation.activate('en-us')
File "U:\Python\mdknowledge\env\lib\site-packages\django\utils\translation\__i
nit__.py", line 130, in activate
return _trans.activate(language)
File "U:\Python\mdknowledge\env\lib\site-packages\django\utils\translation\tra
ns_real.py", line 188, in activate
_active.value = translation(language)
File "U:\Python\mdknowledge\env\lib\site-packages\django\utils\translation\tra
ns_real.py", line 177, in translation
default_translation = _fetch(settings.LANGUAGE_CODE)
File "U:\Python\mdknowledge\env\lib\site-packages\django\utils\translation\tra
ns_real.py", line 159, in _fetch
app = import_module(appname)
File "U:\Python\mdknowledge\env\lib\site-packages\django\utils\importlib.py",
line 40, in import_module
__import__(name)
ImportError: No module named robots
试试pip：
(env) U:\Python\mdknowledge>pip install robots
Collecting robots
Could not find a version that satisfies the requirement robots (from versions:
)
No matching distribution found for robots