Fix doctest files fetch issue (#23277)

* fix

---------

Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>

.github/workflows/doctests.yml

@@ -25,11 +25,17 @@ jobs:
       image: huggingface/transformers-all-latest-gpu
       options: --gpus 0 --shm-size "16gb" --ipc host -v /mnt/cache/.cache/huggingface:/mnt/cache/
     steps:
+      - name: uninstall transformers (installed during docker image build)
+        run: python3 -m pip uninstall -y transformers
+
       - uses: actions/checkout@v3
       - name: NVIDIA-SMI
         run: |
           nvidia-smi
 
+      - name: Install transformers in edit mode
+        run: python3 -m pip install -e .
+
       - name: GPU visibility
         run: |
           python3 utils/print_env.py