scripts: Lint fixes.

line-too-long and docstring-section-indent fixes. Misc spelling
and grammar fixes.

BUG=None
TEST=CQ

Change-Id: If3f29b7a12425947e4fa626cf5a403229ebc2885
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/4429332
Tested-by: Alex Klein <saklein@chromium.org>
Auto-Submit: Alex Klein <saklein@chromium.org>
Reviewed-by: Cindy Lin <xcl@google.com>
Commit-Queue: Alex Klein <saklein@chromium.org>
diff --git a/scripts/cros_sdk_unittest.py b/scripts/cros_sdk_unittest.py
index 52f2266..23186cc 100644
--- a/scripts/cros_sdk_unittest.py
+++ b/scripts/cros_sdk_unittest.py
@@ -22,7 +22,8 @@
         """Basic test of GetArchStageTarballs."""
         self.assertCountEqual(
             [
-                "https://storage.googleapis.com/chromiumos-sdk/cros-sdk-123.tar.xz",
+                "https://storage.googleapis.com/chromiumos-sdk/"
+                "cros-sdk-123.tar.xz",
             ],
             cros_sdk.GetArchStageTarballs("123"),
         )