---
name: Bug report
about: Report a bug to help improve this project
---

<!--

Before you create a new problem report, please look through the list of existing open
 and closed issues to see if there are similar ones.
 
https://github.com/opencobra/optlang/issues

-->

#### Problem description

Please explain:
* **what** you tried to achieve,
* **how** you went about it (referring to the code sample), and
* **why** the current behaviour is a problem and what output
  you expected instead.

#### Code Sample

Create a [minimal, complete, verifiable example](https://stackoverflow.com/help/mcve).

<!-- Paste your code between the ``` tickmarks below or link to a gist. -->
```python
```

<!-- If there was a crash, please include the traceback between the ``` tickmarks below. -->
```
```

### Context

<!-- Please run the following code and paste the output between the ``` tickmarks below
inside the details block.

python -c "import optlang;optlang.show_versions()"

-->

<details>

```
```

</details>
