Merge pull request #3 from sturex/dependabot/pip/tensorflow-1.15.2

Bump tensorflow from 1.14.0 to 1.15.2

Author: sturex

requirements.txt

@@ -23,7 +23,7 @@ scipy==1.3.1
 setuptools==41.0.1
 six==1.12.0
 tensorboard==1.14.0
-tensorflow==1.14.0
+tensorflow==1.15.2
 tensorflow-estimator==1.14.0
 termcolor==1.1.0
 websocket-client==0.46.0