app\main\views(21).py

#...
from .errors import page_not_found
from ..models import User
#...

@main.route('/user/<username>', methods=['GET'])
@login_required
def get_user(username):
    user = User.query.filter_by(username=username).first()
    if not user:
        return page_not_found
    user = user.to_json()
    user.pop('stream_token')
    user.pop('email')
    return {'profile': user}

#...