Removed grpcio direct requirement

[MuratUrsavas]

As this package creates a lot of long time build issues I've removed direct dependency from here to let parent app decide which grpcio version to use.

Checklist

• [ ] Tests added
• [ ] Cleaned up commit history (rebase!)
• [ ] Documentation added
• [ ] Thought about variable and method names

[sonarcloud[bot]]

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0.0% Duplication

[shawaj]

Wouldn't it be better to just use a >= here instead of removing it altogether? (Or just no specific version and just using grpcio)

Because it is a dependency and we surely need at least some version of it?

[shawaj]

@MuratUrsavas it seems minimum we are using is 1.50.1 so can't we just say grpcio>=1.50.1 ?

[MuratUrsavas]

@shawaj I thought if a newer version is available then it would be used despite it would need a compilation. But now I've tested it and you're right. This way it leaves it as it is. Let me take care of it :+1:

[shawaj]

Awesome, yeah I think it will use any wheels that fit the requirements first, and if it can't find any wheels that fit then it will build from source