# hello.py

from datetime import datetime
from flask import Flask, render_template
from flask_script import Manager
from flask_bootstrap import Bootstrap
from flask_moment import Moment
from flask_wtf import Form
from wtforms import StringField, SubmitField
from wtforms.validators import Required		

app = Flask(__name__)
app.config['SECRET_KEY'] = 'hard to guess string'

manager = Manager(app)
bootstrap = Bootstrap(app)
moment = Moment(app)


class NameForm(Form):
	name = StringField('What is your name?', validators=[Required])
	submit = SubmitField('Submit')

@app.errorhandler(404)
def page_not_found(e):
	return render_template('404.html'), 404

@app.errorhandler(500)
def internal_server_error(e):
	return render_template('500.html'), 500

@app.route('/user/<name>')
def user(name):
	return render_template('user.html', name=name)

@app.route('/', method=['GET', 'POST'])
def index():
	name = None
	form = NameForm()
	if form.validate_on_submit():
		name = form.name.data
		form.name.data = ''
	return render_template('index.html', form=form, name=name)


if __name__ == '__main__':
	manager.run()

$ python3 hello.py runserver --host 0.0.0.0

Traceback (most recent call last):
  File "hello.py", line 34, in <module>
    @app.route('/', method=['GET', 'POST'])
  File "/home/henry/.local/lib/python3.5/site-packages/flask/app.py", line 1080, in decorator
    self.add_url_rule(rule, endpoint, f, **options)
  File "/home/henry/.local/lib/python3.5/site-packages/flask/app.py", line 64, in wrapper_func
    return f(self, *args, **kwargs)
  File "/home/henry/.local/lib/python3.5/site-packages/flask/app.py", line 1043, in add_url_rule
    rule = self.url_rule_class(rule, methods=methods, **options)
TypeError: __init__() got an unexpected keyword argument 'method'

上面【method】少敲了个【s】