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Since tempest no longer uses the official clients as a literal code 
dependency, except for the cli tests which are being removed, the 
clients have been dropping from requirements.txt. But when debugging 
issues uncovered by tempest, or when debugging tempest itself, it is 
useful to use the cli to check various things. I think it would be a 
good service to users of tempest to include the client libraries when 
tempest is installed on a machine. Is there a reason to not do this?

  -David