minor update for better Python builds

docker/README.md

@@ -51,6 +51,9 @@ The `docker run` command line arguments used here:
   - `hdf5_1_12_on_2014_x86_64` (name of the Docker image to run)
   - `/bin/bash` (which binary the container should execute)
 
+To run the ARM-based container (e.g. with `_aarch64` suffix) on Intel/AMD processor, just add the `--platform linux/arm64` to the
+`docker run` arguments. 
+
 Once the Docker container is launched and the corresponding prompt is switched to the container, run the following (example for release 0.2.0):
 
 `cd tmp/ && ./build_manylinux_wheels.sh trexio-0.2.0.tar.gz`

python/install_pytrexio.sh

@@ -26,7 +26,7 @@ else
 fi
 
 # Install/upgrade packages required for the installation
-python3 -m pip install --upgrade setuptools wheel twine
+python3 -m pip install --upgrade setuptools wheel pip
 python3 -m pip install -r requirements.txt
 
 # export NUMPY_INCLUDEDIR environment variable needed for the proper setup
@@ -60,6 +60,9 @@ python3 -m pip install dist/trexio-*.whl --force-reinstall
 # Uninstall pytrexio: this only works from the pytrexio root directory
 #python3 -m pip uninstall trexio
 
+# Install twine to upload things on PyPI
+#python3 -m pip install --upgrade twine
+
 # Test the current release by uploading to TestPyPI sandbox
 #python3 -m twine upload --repository testpypi dist/trexio-*.tar.gz