Flask generic error handling (files are in api folder)

__init__.py

from flask import Flask
import api.exceptions


app = Flask(__name__)

# ERROR HANDLING
app.config['TRAP_HTTP_EXCEPTIONS'] = True

# GENERIC
app.register_blueprint(api.exceptions.error_bp)

exceptions.py

from flask import Blueprint, jsonify


error_bp = Blueprint("exceptions", __name__)

http_msg = {
    301: u'Moved Permanently',
    302: u'Found',
    303: u'See Other',
    304: u'Not Modified',
    400: u'Bad request',
    401: u'Unauthorized',
    403: u'Forbidden',
    404: u'Resource not found',
    405: u'Method not allowed',
    408: u'Request Timeout',
    409: u'Conflict',
    410: u'Gone',
    418: u'I am a teapot',
    429: u'Too many requests',
    500: u'Internal server error',
    501: u'Not Implemented',
    502: u'Bad Gateway',
    503: u'Service unavailable',
    504: u'Gateway Timeout'
}


@error_bp.app_errorhandler(Exception)
def handle_error(error):
    """Generic exception handler for general exceptions"""
    if not hasattr(error, 'code'):
        error.code = 500

    result = {
        "message": http_msg[error.code]
    }

    return jsonify(result), error.code