Bump tensorflow from 1.0.0 to 1.15.4 in /training-lstm#4

dependabot[bot] wants to merge 1 commit intomastermarioguzzzman/video_lstm_work_branch:masterfrom

dependabot/pip/training-lstm/tensorflow-1.15.4marioguzzzman/video_lstm_work_branch:dependabot/pip/training-lstm/tensorflow-1.15.4Copy head branch name to clipboard