[GitHub] [spark] viirya commented on a change in pull request #26330: [WIP][SPARK-29672][PYSPARK] DO NOT MERGE -- remove py27 support for jenkins tests

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viirya commented on a change in pull request #26330: [WIP][SPARK-29672][PYSPARK] DO NOT MERGE -- remove py27 support for jenkins tests
URL: https://github.com/apache/spark/pull/26330#discussion_r341407750
 
 

 ##########
 File path: python/run-tests.py
 ##########
 @@ -160,11 +160,15 @@ 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"
-                       " back to `python` instead")
-        python_execs.insert(0, "python")
+    python_execs = [x for x in ["python3.6", "pypy3"] if which(x)]
+    if "python3.6" not in python_execs:
+        if which("python"):
+            LOGGER.warning("Not testing against `python3.6` because it could not be found; falling"
+                           " back to `python` instead")
+            python_execs.insert(0, "python")
 
 Review comment:
   Can this fall back to python 2 actually?

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