Merge pull request #39 from vkt1414/master

lock python and pip package versions

Author: fedorov

.github/workflows/test_colab.yml

@@ -22,10 +22,10 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.x
+          python-version: 3.11
 
       - name: Install dependencies
-        run: pip install requests pandas google-cloud-bigquery pyarrow nbformat
+        run: pip install requests==2.31.0 pandas==2.1.1 google-cloud-bigquery==3.12.0 pyarrow==13.0.0 nbformat==5.9.2
 
       - name: Authorize Google Cloud
         uses: google-github-actions/auth@v1
@@ -88,7 +88,7 @@ jobs:
         run: |
           for nb in part1_prerequisites part2_searching_basics part3_exploring_cohorts; do
             docker run -d --name colab -v "$(pwd):/content" -e GOOGLE_APPLICATION_CREDENTIALS="${{ env.GOOGLE_APPLICATION_CREDENTIALS }}" imagingdatacommons/idc-testing-colab:latest
-            docker exec -t colab /bin/bash -c "pip install papermill"
+            docker exec -t colab /bin/bash -c "pip install papermill==2.4.0"
             docker exec -t colab /bin/bash -c "set -o xtrace && set -o errexit && set -o pipefail && set -o nounset && set +o errexit && cd content/ && papermill /content/notebooks/getting_started/${nb}.ipynb /content/test/outputs/${nb}_papermill_output.ipynb && set -o errexit && ls -A"
             #docker exec -t colab /bin/bash -c "jupyter nbconvert --to html --ExtractOutputPreprocessor.enabled=False /content/test/outputs/output_${nb}.ipynb"
             docker stop colab