
TF 1.15 still needs an older version of the tensorflow-estimator package. (cherry picked from commit c539f937c539b99e8c8b763b2568b52e39d3e9c4)
TF 1.15 still needs an older version of the tensorflow-estimator package. (cherry picked from commit c539f937c539b99e8c8b763b2568b52e39d3e9c4)