temp force 2.0

ml-agents/setup.py

         "Pillow>=4.2.1",
         "protobuf>=3.6",
         "pyyaml",
-        "tensorflow>=1.7,<2.1",
+        # "tensorflow>=1.7,<2.1", # TEMP FOR TRAINING
+        "tensorflow==2.0.0",
         'pypiwin32==223;platform_system=="Windows"',
     ],
     python_requires=">=3.6.1",

test_constraints_min_version.txt

 numpy==1.13.3
 Pillow==4.2.1
 protobuf==3.6
-tensorflow==1.7
+# TEMPORARY
+#tensorflow==1.7
+tensorflow==2.0.0