Bump tensorflow from 0.8.0 to 1.15.4 in /dataManipulation/PSMOT

Bumps [tensorflow](https://github.com/tensorflow/tensorflow) from 0.8.0 to 1.15.4.
- [Release notes](https://github.com/tensorflow/tensorflow/releases)
- [Changelog](https://github.com/tensorflow/tensorflow/blob/master/RELEASE.md)
- [Commits](tensorflow/tensorflow@v0.8.0...v1.15.4)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

dataManipulation/PSMOT/requirements.txt

@@ -175,7 +175,7 @@ stem==1.4.0
 sympy==1.0
 tables==3.2.2
 Tempita==0.5.2
-tensorflow==0.8.0
+tensorflow==1.15.4
 terminado==0.5
 Theano==0.8.2
 thinc==5.0.8