Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/19665#discussion_r149030792
--- Diff: dev/run-tests.py ---
@@ -276,9 +276,9 @@ def exec_sbt(sbt_args=()):
sbt_cmd = [os.path.join(SPARK_HOME, "build", "sbt")] + sbt_args
- sbt_output_filter = re.compile("^.*[info].*Resolving" + "|" +
- "^.*[warn].*Merging" + "|" +
- "^.*[info].*Including")
+ sbt_output_filter = re.compile(b"^.*[info].*Resolving" + b"|" +
+ b"^.*[warn].*Merging" + b"|" +
+ b"^.*[info].*Including")
--- End diff --
In Python 3:
```python
import re
print(re.compile(b"a").match("a"))
print(re.compile("a").match("a"))
print(re.compile("a").match(b"a"))
print(re.compile(b"a").match(b"a"))
```
```python
>>> import re
>>> print(re.compile(b"a").match("a"))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: cannot use a bytes pattern on a string-like object
>>> print(re.compile("a").match("a"))
<_sre.SRE_Match object; span=(0, 1), match='a'>
>>> print(re.compile("a").match(b"a"))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: cannot use a string pattern on a bytes-like object
>>> print(re.compile(b"a").match(b"a"))
<_sre.SRE_Match object; span=(0, 1), match=b'a'>
```
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