Update dependencies via pyup (#204)
Update dependencies via pyup (#204)

* Update tox from 3.1.2 to 3.2.1 (#203)
* Pin pre-commit to latest version 1.10.5 (#200)
* Update tox from 3.0.0 to 3.1.3 (#197)
* Update pytest from 3.6.3 to 3.7.1 (#195)

ljvmiranda921/pyswarms,ljvmiranda921/pyswarms