Update README.md

README.md

@@ -72,9 +72,15 @@ Clone the source code and install the necessary Python packages.
 $ git clone -b 1.0.0.RC2 https://github.com/FookieMonster/transformer-lm-japanese
 $ cd ./transformer-lm-japanese/transformer_lm
 $ pip install -r requirements.txt
+```
+
+Install the necessary Python packages to run on the CPU.
+
+```
 $ pip install jax[cpu]==0.3.2
 $ pip install chex==0.1.5
 $ pip install protobuf==3.20.3
+$ pip install typing-extensions==3.10.0.2
 ```
 
 Text generation using downloaded model files.