“Mengapa saya tidak dapat mengimpor Flask WTF” Kode Jawaban

Mengapa saya tidak dapat mengimpor Flask WTF

(flask) D:\Development\grading>flask\Scripts\python.exe restserver.py Traceback (most recent call last):
File "restserver.py", line 1, in <module> from app import app
File "D:\Development\grading\app\__init__.py", line 12, in <module> from forms import LoginForm
File "D:\Development\grading\app\forms.py", line 1, in <module> from flask.ext.wtf import Form, TextField, BooleanField
File "D:\Development\grading\flask\lib\site-packages\flask\exthook.py", line 87, in load_module
raise ImportError('No module named %s' % fullname) ImportError: No module named flask.ext.wtf.TextField