update python version

Author: Malav Shastri

docker/1.3-1/base/Dockerfile.cpu

@@ -8,7 +8,7 @@ ARG MINICONDA_VERSION=4.9.2
 ARG CONDA_PY_VERSION=39
 ARG CONDA_CHECKSUM="b4e46fcc8029e2cfa731b788f25b1d36"
 ARG CONDA_PKG_VERSION=4.10.1
-ARG PYTHON_VERSION=3.7.10
+ARG PYTHON_VERSION=3.8.13
 ARG PYARROW_VERSION=14.0.1
 ARG MLIO_VERSION=0.9.0
 ARG XGBOOST_VERSION=1.3.3

docker/1.3-1/final/Dockerfile.cpu

@@ -1,5 +1,5 @@
 ARG SAGEMAKER_XGBOOST_VERSION=1.3-1
-ARG PYTHON_VERSION=3.7
+ARG PYTHON_VERSION=3.8
 
 FROM xgboost-container-base:${SAGEMAKER_XGBOOST_VERSION}-cpu-py3
 
@@ -19,7 +19,7 @@ RUN python3 -m pip install git+https://github.com/awslabs/sagemaker-debugger.git
 # Copy wheel to container #
 ###########################
 COPY dist/sagemaker_xgboost_container-2.0-py2.py3-none-any.whl /sagemaker_xgboost_container-1.0-py2.py3-none-any.whl
-RUN rm -rf /miniconda3/lib/python3.7/site-packages/numpy-1.21.6.dist-info && \
+RUN rm -rf /miniconda3/lib/python3.8/site-packages/numpy-1.21.6.dist-info && \
     python3 -m pip install --no-cache /sagemaker_xgboost_container-1.0-py2.py3-none-any.whl && \
     python3 -m pip uninstall -y typing && \
     rm /sagemaker_xgboost_container-1.0-py2.py3-none-any.whl