{"errorMessage": "'httpMethod'", "errorType": "KeyError", "stackTrace": [["/var/task/aws_lambda.py", 8, "lambda_handler", "return aws_lambda_wsgi.response(create_app(), event, context)"], ["/var/task/aws_lambda_wsgi/__init__.py", 26, "response", "output = app(environ(event, context), sr)"], ["/var/task/aws_lambda_wsgi/__init__.py", 63, "environ", "'REQUEST_METHOD': event['httpMethod'],"]]}