Fix the bugs in the ds1000 sample bash script

Author: gameofby

docs/README.md

@@ -249,7 +249,8 @@ Below is the command to run evaluation on the full benchmark in insertion mode w
 
 ```bash
 export TF_FORCE_GPU_ALLOW_GROWTH=true
-TF_CPP_MIN_LOG_LEVEL=3 accelerate launch main.py \
+export TF_CPP_MIN_LOG_LEVEL=3
+accelerate launch main.py \
   --model <MODEL_NAME> \
   --batch_size <BATCH_SIZE> \
   --tasks ds1000-all-insertion \