fixes dependency tensorflow-serving-api

Author: hephaex

python-tensorflow/requirements.tf.txt

@@ -19,6 +19,7 @@ pyrsistent==0.17.3
 scikit-nni==0.2.1
 tensorboard-plugin-wit==1.8.0
 tensorboard==2.3.0
+tensorflow==2.3.2
 tensorflow-addons==0.10.0
 tensorflow-compression==1.3
 tensorflow-data-validation==0.23.0
@@ -27,7 +28,7 @@ tensorflow-gan==2.0.0
 tensorflow-gpu==2.3.2
 tensorflow-graphics-gpu==1.0.0
 tensorflow-hub==0.8.0
-tensorflow-io==0.17
+tensorflow-io==0.15
 tensorflow-lattice==2.0.5
 tensorflow-metadata==0.23.0
 tensorflow-model-optimization==0.3.
@@ -37,6 +38,7 @@ tensorflow_constrained_optimization==0.2
 tensorflow_model_analysis==0.23.0
 tensorflow_probability==0.12.1
 tensorflow_ranking==0.3.1
+tensorflow-serving-api==2.3.0
 tensorflow_text==2.3.0
 tensorwatch==0.9.1
 tf-agents==0.7.1