prune unnecessary import and newlines

Author: Changaco

tests/test_rwx.py

@@ -4,13 +4,11 @@
 
 import io
 import json
-import sys
 
 import libarchive
 from libarchive.extract import EXTRACT_OWNER, EXTRACT_PERM, EXTRACT_TIME
 from libarchive.write import memory_writer
 from mock import patch
-
 import pytest
 
 from . import check_archive, in_dir, treestat
@@ -141,15 +139,12 @@ def write_callback(data):
         return len(data)
 
     with libarchive.custom_writer(write_callback, archfmt) as archive:
-        archive.add_file_from_memory(
-            entry_path, entry_size, entry_data)
+        archive.add_file_from_memory(entry_path, entry_size, entry_data)
 
     buf = b''.join(blocks)
     with libarchive.memory_reader(buf) as memory_archive:
         for archive_entry in memory_archive:
             expected = b''.join(entry_data)
-            actual = b''.join(
-                archive_entry.get_blocks(),
-            )
+            actual = b''.join(archive_entry.get_blocks())
             assert expected == actual
             assert archive_entry.path == entry_path