# I am encountering this error and need to address it in about 20mins: ERROR! Unexpected Exception, this is probably a bug: No module named six

**URL:** https://discourse.roots.io/t/i-am-encountering-this-error-and-need-to-address-it-in-about-20mins-error-unexpected-exception-this-is-probably-a-bug-no-module-named-six/12704
**Category:** trellis
**Tags:** trellis
**Created:** 2018-06-15T16:20:27Z
**Posts:** 8
**Showing post:** 2 of 8

## Post 2 by @knowler — 2018-06-15T16:22:57Z

Here’s the quick answer (I will revise):

```
pip install ansible==2.3.2.0
```

or use `brew`:

```
brew switch ansible 2.3.2.0
```

Related:

> [@Ansible failed to complete successfully](https://discourse.roots.io/t/ansible-failed-to-complete-successfully/5990/15):
>
> I’d suggest using pip to downgrade to Ansible 2.3.2.0: pip install ansible==2.3.2.0 Trellis compatibility with Ansible 2.4 has been proposed but not yet reviewed nor merged. If you’re inclined to test it, your feedback would be welcome!

[https://discourse.roots.io/t/updated-to-ansible-2-4-deploys-broken-now-what/10588?source\_topic\_id=5990](https://discourse.roots.io/t/updated-to-ansible-2-4-deploys-broken-now-what/10588?source_topic_id=5990)

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