Bump tensorflow from 2.0.1 to 2.0.3 (#94)

Bumps [tensorflow](https://github.com/tensorflow/tensorflow) from 2.0.1 to 2.0.3.
- [Release notes](https://github.com/tensorflow/tensorflow/releases)
- [Changelog](https://github.com/tensorflow/tensorflow/blob/master/RELEASE.md)
- [Commits](tensorflow/tensorflow@v2.0.1...v2.0.3)

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Author: dependabot[bot]

setup.py

@@ -23,7 +23,7 @@
 # What packages are required for this module to be executed?
 REQUIRED = [
     'protobuf==3.7.1',
-    'tensorflow==2.0.1',
+    'tensorflow==2.0.3',
     'scikit-learn==0.21.0',
     'numpy==1.16.2',
     'pandas==0.25.1',