ModuleNotFoundError:没有名为“flask_wtforms”的模块

Question

在烧瓶中是新的，但是遇到了这个错误，我在stackoverflow上搜索不同的问题，但是我没有找到任何有效的问题，下面是正在得到的错误：

Traceback (most recent call last):
  File "C:/Users/Huzy_Kamz/PycharmProjects/articles/articles.py", line 6, in <module>
    from wtforms import Form,StringField,TextAreaField,PasswordField, validators
ModuleNotFoundError: No module named 'wtforms'

则预期出现错误的区域位于代码下方：

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Answer 1

将第6行的导入更改为：

from wtforms import Form, BooleanField, StringField, PasswordField, validators

Answer 2

当我用virtualenv安装新服务器时，我也遇到了同样的问题。在

这是我安装烧瓶时的输出：

$ pip install flask
Collecting flask
  Downloading 
....
Building wheels for collected packages: itsdangerous, MarkupSafe
  Running setup.py bdist_wheel for itsdangerous ... done

....
Successfully built itsdangerous MarkupSafe
Installing collected packages: click, Werkzeug, itsdangerous, MarkupSafe, Jinja2, flask
Successfully installed Jinja2-2.10 MarkupSafe-1.0 Werkzeug-0.14.1 click-6.7 flask-1.0.2 itsdangerous-0.24

我试着运行最小的脚本：

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我所理解的是没有安装WTFORMS。 我在另一篇文章中搜索，这对我很有用（How can I import Flask-WTF?）：

$ pip install flask-wtf
Collecting flask-wtf
  Downloading 
....
Collecting WTForms (from flask-wtf)
  Downloading 
....
100% |████████████████████████████████| 174kB 345kB/s 
Requirement already satisfied: Flask in ./lib/python2.7/site-packages (from flask-wtf) (1.0.2)
Requirement already satisfied: click>=5.1 in ./lib/python2.7/site-packages (from Flask->flask-wtf) (6.7)
Requirement already satisfied: Werkzeug>=0.14 in ./lib/python2.7/site-packages (from Flask->flask-wtf) (0.14.1)
Requirement already satisfied: itsdangerous>=0.24 in ./lib/python2.7/site-packages (from Flask->flask-wtf) (0.24)
Requirement already satisfied: Jinja2>=2.10 in ./lib/python2.7/site-packages (from Flask->flask-wtf) (2.10)
Requirement already satisfied: MarkupSafe>=0.23 in ./lib/python2.7/site-packages (from Jinja2>=2.10->Flask->flask-wtf) (1.0)
Installing collected packages: WTForms, flask-wtf
Successfully installed WTForms-2.2.1 flask-wtf-0.14.2