Github user felixcheung commented on the issue:
https://github.com/apache/zeppelin/pull/1683
output looks fine
```
0.01s$ ls -la .spark-dist
${HOME}/.m2/repository/.cache/maven-download-plugin || true
/home/travis/.m2/repository/.cache/maven-download-plugin:
total 0
drwxr-xr-x 2 travis travis 6 Nov 5 03:03 .
drwxr-xr-x 3 travis travis 34 Nov 20 20:13 ..
.spark-dist:
total 4
drwxr-xr-x 2 travis travis 6 Nov 5 03:03 .
drwxr-xr-x 47 travis travis 4096 Nov 25 20:57 ..
```
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