Merge pull request #14 from dataiku/dependabot/pip/code-env/python/spec/tensorflow-1.15.4

[Security] Bump tensorflow from 1.15.2 to 1.15.4 in /code-env/python/spec

Author: alexcombessie

code-env/python/spec/requirements.txt

@@ -2,5 +2,5 @@ numpy==1.16.4
 scipy==1.2.2
 gensim==3.8.2
 scikit-learn==0.20.4
-tensorflow==1.15.2
+tensorflow==1.15.4
 tensorflow-hub==0.5.0