bug #11044 [Docs] Fix docs build (Tomanhez)
bug #11044 [Docs] Fix docs build (Tomanhez)

This PR was merged into the 1.7-dev branch.

Discussion
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| Q               | A
| --------------- | -----
| Branch?         | master
| Bug fix?        | yes
| New feature?    | no
| BC breaks?      | no
| Deprecations?   | no
| License         | MIT

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Commits
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09606d22fb6a8c471f161b8aa642ff176aee4a05 replace pip to pip3

SyliusBot/Sylius,Arminek/Sylius,diimpp/Sylius,Sylius/Sylius,101medialab/Sylius,Zales0123/Sylius,SyliusBot/Sylius,foobarflies/Sylius,mbabker/Sylius,GSadee/Sylius,pamil/Sylius,GSadee/Sylius,Zales0123/Sylius,kayue/Sylius,pjedrzejewski/Sylius,mbabker/Sylius,mbabker/Sylius,loic425/Sylius,Arminek/Sylius,kayue/Sylius,Sylius/Sylius,lchrusciel/Sylius,foobarflies/Sylius,Arminek/Sylius,loic425/Sylius,GSadee/Sylius,pjedrzejewski/Sylius,loic425/Sylius,lchrusciel/Sylius,antonioperic/Sylius,kayue/Sylius,antonioperic/Sylius,pjedrzejewski/Sylius,Sylius/Sylius,diimpp/Sylius,pamil/Sylius,pamil/Sylius,mbabker/Sylius,101medialab/Sylius,lchrusciel/Sylius,101medialab/Sylius,Zales0123/Sylius,foobarflies/Sylius,foobarflies/Sylius,diimpp/Sylius,antonioperic/Sylius,SyliusBot/Sylius,pjedrzejewski/Sylius