fix(req): support tensorflow >= 2.5.1

Author: nglehuy

README.md

@@ -84,7 +84,7 @@ For training and testing, you should use `git clone` for installing necessary pa
 ```bash
 git clone https://github.com/TensorSpeech/TensorFlowASR.git
 cd TensorFlowASR
-# Tensorflow 2.x (with 2.x >= 2.3)
+# Tensorflow 2.x (with 2.x.x >= 2.5.1)
 pip3 install -e ".[tf2.x]" # or ".[tf2.x-gpu]"
 ```
 
@@ -96,7 +96,7 @@ conda activate tfasr
 pip install -U tensorflow-gpu # upgrade to latest version of tensorflow
 git clone https://github.com/TensorSpeech/TensorFlowASR.git
 cd TensorFlowASR
-# Tensorflow 2.x (with 2.x >= 2.3)
+# Tensorflow 2.x (with 2.x.x >= 2.5.1)
 pip3 install -e ".[tf2.x]" # or ".[tf2.x-gpu]"
 ```
 

requirements.txt

@@ -11,33 +11,13 @@ black==21.7b0
 flake8==3.9.2
 sounddevice==0.4.3
 
-# extra=tf2.3
-tensorflow~=2.3.0
-tensorflow-text~=2.3.0
-tensorflow-io~=0.16.0
-
-# extra=tf2.3-gpu
-tensorflow-gpu~=2.3.0
-tensorflow-text~=2.3.0
-tensorflow-io~=0.16.0
-
-# extra=tf2.4
-tensorflow~=2.4.0
-tensorflow-text~=2.4.0
-tensorflow-io~=0.17.0
-
-# extra=tf2.4-gpu
-tensorflow-gpu~=2.4.0
-tensorflow-text~=2.4.0
-tensorflow-io~=0.17.0
-
 # extra=tf2.5
-tensorflow~=2.5.0
+tensorflow~=2.5.1
 tensorflow-text~=2.5.0
 tensorflow-io~=0.18.0
 
 # extra=tf2.5-gpu
-tensorflow-gpu~=2.5.0
+tensorflow-gpu~=2.5.1
 tensorflow-text~=2.5.0
 tensorflow-io~=0.18.0