example not working about word-rnn-tensorflow HOT 3 OPEN

Defaulting to user installation because normal site-packages is not writeable
ERROR: Could not find a version that satisfies the requirement tensorflow==1.14 (from versions: 2.2.0rc1, 2.2.0rc2, 2.2.0rc3, 2.2.0rc4, 2.2.0, 2.3.0rc0, 2.3.0rc1, 2.3.0rc2, 2.3.0)
ERROR: No matching distribution found for tensorflow==1.14

# Update the OS software and grab some Python packages. 
sudo apt update && sudo apt upgrade -y
sudo apt install python3-dev python3-pip python3-venv git

# Make a directory and start a Python virtual environment in it
mkdir projectfolder 
python3 -m venv --system-site-packages projectfolder/
source projectfolder/bin/activate

# Move in to the folder, get the needed Python modules and clone the git 
cd projectfolder/
pip install --upgrade pip setuptools tensorflow==1.14
git clone https://github.com/hunkim/word-rnn-tensorflow.git

# Start Word-RNN using the provided example set
cd word-rnn-tensorflow
python train.py