TX_TOKEN not used if .transifex exists and does not contain a token

[laurentS]

I am running v1.6.7. It fails with an error (could not find a Transifex API host and/or TOKEN, please inspect your .transifexrc and .tx/config files) if the .transifex file exists (from the old CLI for instance) but does not contain a token. Even with TX_TOKEN set in the environment, the value does not seem to get picked up. After I delete the .transifex file, everything works as expected.

I think the cli should fallback to the env var if it can't find a value in the file (or the other way around might make more sense, actually).