fix github actions to run ray train

[nakamasato]

ml-training/.github/workflows/python.yml

Lines 104 to 119 in 95bec36

	# == Status ==
	# Current time: 2023-09-23 10:32:09 (running for 00:07:35.39)
	# Memory usage on this node: 1.6/6.8 GiB
	# Using FIFO scheduling algorithm.
	# Resources requested: 0/2 CPUs, 0/0 GPUs, 0.0/3.48 GiB heap, 0.0/1.74 GiB objects
	# Result logdir: /home/runner/ray_results/TensorflowTrainer_2023-09-23_10-24-33
	# Number of trials: 1/1 (1 PENDING)
	# +-------------------------------+----------+-------+
	# | Trial name | status | loc |
	# |-------------------------------+----------+-------|
	# | TensorflowTrainer_6383c_00000 | PENDING | |
	# +-------------------------------+----------+-------+
	# - name: 05-train tensorflow example
	# run: python 05-train/tensorflow_example.py --smoke-test
	# TODO: https://github.com/nakamasato/ml-training/issues/298