changes

app/errors.py

@@ -0,0 +1,11 @@
+from flask import render_template, Blueprint
+
+bp = Blueprint('errors', __name__)
+
+@bp.app_errorhandler(400)
+def bad_request(error):
+    return render_template('400.html'), 400
+
+@bp.app_errorhandler(500)
+def internal_error(error):
+    return render_template('500.html'), 500