# -*- coding: utf-8 -*-
from flask import Flask
app = Flask(__name__)
@app.route("/")
def hello():
return "Hello World!"
if __name__ == "__main__":
app.run()
这是错误信息。
Traceback (most recent call last): File "C:\Users\Austyn\git\flask\ch02\hello.py", line 3, in <module> from flask import Flask File "C:\Python36\myprojects\venv\lib\site-packages\flask\__init__.py", line 19, in <module> from jinja2 import Markup, escape File "C:\Python36\myprojects\venv\lib\site-packages\jinja2\__init__.py", line 33, in <module> from jinja2.environment import Environment, Template File"C:\Python36\myprojects\venv\lib\sitepackages\jinja2\environment.py", line 15, in <module> from jinja2 import nodes File "C:\Python36\myprojects\venv\lib\site-packages\jinja2\nodes.py"line 19, in <module> from jinja2.utils import Markup File "C:\Python36\myprojects\venv\lib\site-packages\jinja2\utils.py"line 624, in <module> from markupsafe import Markup, escape, soft_unicode File"C:\Python36\myprojects\venv\lib\sipackages\markupsafe\__init__.py", line 14, in <module> from markupsafe._compat import text_type, string_types, int_types, \ ModuleNotFoundError: No module named 'markupsafe._compat'
当我尝试安装烧瓶时,我遇到了麻烦。 我不知道为什么会出现这个错误。 我错了设置PATH吗? 我认为它不起作用像werkzeug和jinja2和Markupsafe这样的工具...... 但我不知道这是什么。
答案 0 :(得分:1)
尝试安装markupsafe。
pip install markupsafe