WeichenXu123 commented on a change in pull request #25289:
[WIP][SPARK-27889][INFRA] Make development scripts under dev/ support Python 3
URL: https://github.com/apache/spark/pull/25289#discussion_r311345989
##########
File path: python/run-tests.py
##########
@@ -161,8 +161,13 @@ def run_individual_python_test(target_dir, test_name,
pyspark_python):
def get_default_python_executables():
python_execs = [x for x in ["python2.7", "python3.6", "pypy"] if which(x)]
- if "python2.7" not in python_execs:
- LOGGER.warning("Not testing against `python2.7` because it could not
be found; falling"
+ if ("python3.6" not in python_execs) and which("python3"):
+ LOGGER.warning("Not testing against `python3.6` because it could not
be found; falling"
+ " back to `python3` instead")
+ python_execs.insert(0, "python3")
Review comment:
I revert the change here.
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