Bump tensorflow-gpu from 1.2.1 to 1.15.4 in /lstm/characterGenImproved#36

dependabot[bot] wants to merge 1 commit intomastersnlpatel001213/algorithmia:masterfrom

dependabot/pip/lstm/characterGenImproved/tensorflow-gpu-1.15.4snlpatel001213/algorithmia:dependabot/pip/lstm/characterGenImproved/tensorflow-gpu-1.15.4Copy head branch name to clipboard