Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/14959#discussion_r79461443
--- Diff: python/pyspark/java_gateway.py ---
@@ -50,13 +50,18 @@ def launch_gateway():
# proper classpath and settings from spark-env.sh
on_windows = platform.system() == "Windows"
script = "./bin/spark-submit.cmd" if on_windows else
"./bin/spark-submit"
+ command = [os.path.join(SPARK_HOME, script)]
+ if conf and conf.getAll():
+ conf_items = [['--conf', '%s=%s' % (k, v)] for k, v in
conf.getAll()]
--- End diff --
No point in using list comprehension if it requires more code...
```
for k, v in conf.getAll():
command += ['--conf', '%s=%s' % (k, v)]
```
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