of [well written bug reports](https://github.com/sqlalchemy/sqlalchemy/issues?q=is%3Aissue+label%3A%22great+mcve%22). Each of these reports include the following features:
1. a **succinct description of the problem** - typically a line or two at most
-2. **code to reproduce the problem**, otherwise known as
- a [Minimal, Complete, and Verifiable](http://stackoverflow.com/help/mcve)
- example.
+2. **succinct, dependency-free code which reproduces the problem**, otherwise known as a [Minimal, Complete, and Verifiable](http://stackoverflow.com/help/mcve) example.
3. **complete stack traces for all errors**
4. Other things as applicable: **SQL log output**, **database backend and DBAPI driver**,
**operating system**, **comparative performance timings** for performance issues.
-
**Describe the bug**
<!-- A clear and concise description of what the bug is. -->