当我点击提交以获取以下视图时,我收到500错误.为什么我会收到此错误,如何解决？
from flask import Flask, render_template
from flask import request, jsonify
app = Flask(__name__)
@app.route('/', methods=['GET', 'POST'])
def homepage():
if request.method == 'POST':
f1 = request.form['firstVerb']
f2 = request.form['secondVerb']
return render_template('index.html', f1, f2)
return render_template('index.html')
if __name__ == "__main__":
app.run();
<form class="form-inline" method="post" action="">
<div class="form-group">
<label for="first">First word</label>
<input type="text" class="form-control" id="first" name="firstVerb">
</div>
<div class="form-group">
<label for="second">Second Word</label>
<input type="text" class="form-control" id="second" name="secondVerb" >
</div>
<button type="submit" class="btn btn-primary">Run it</button>
</form>
{{ f1 }}
{{ f2 }}