def login():
"""
user Login
:return:
"""
error = None
if request.method == 'POST':
user = Users()
login_user = user.login()
if login_user:
session['logged_in'] = request.form['username']
flash('You were logged in')
return redirect(url_for('show_entries'))
else:
error = 'The data is not correct, or that user does not exist'
return render_template('login.html', error=error)
