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flask.cli.NoAppException:无法导入"flaskr.flaskr"

我正在努力:http://flask.pocoo.org/docs/1.0/tutorial/

我在/ flaskr /目录中编写了__init__.py代码(这里是代码:http://codepad.org/4FGIE901),设置了一个名为'venv'的虚拟环境并安装了Flask.

然后我跑这些命令-在命令行上,在flaskr目录-为"运行应用程序"建议:( ,export FLASK_APP=flaskr,)export FLASK_ENV=developmentflask run

我应该看到的是 Hello, World!

相反,我遇到了以下错误:

Traceback (most recent call last):
  File "/Users/David/Desktop/flaskr/venv/lib/python3.6/site-packages/flask/cli.py", line 330, in __call__
    rv = self._load_unlocked()

  File "/Users/David/Desktop/flaskr/venv/lib/python3.6/site-packages/flask/cli.py", line 317, in _load_unlocked
    self._app = rv = self.loader()

  File "/Users/David/Desktop/flaskr/venv/lib/python3.6/site-packages/flask/cli.py", line 372, in load_app
    app = locate_app(self, import_name, name)

  File "/Users/David/Desktop/flaskr/venv/lib/python3.6/site-packages/flask/cli.py", line 246, in locate_app
    'Could not import "{name}".'.format(name=module_name)

flask.cli.NoAppException: Could not import "flaskr.flaskr".

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简单地说,我不确定我应该如何回应或修复这样的错误.也许我在venv中安装的不匹配以及这个特定项目需要什么？

喜欢这个人:无法导入Pandas:TypeError

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