api: Lint fixes.

Fix line-too-long and docstring-section-indent errors.

BUG=b:233893248
TEST=cros lint

Change-Id: Ieeff951187b2c7c0e371ef18cab97f31c03d81cd
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/4190795
Commit-Queue: Jack Rosenthal <jrosenth@chromium.org>
Tested-by: Alex Klein <saklein@chromium.org>
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Auto-Submit: Alex Klein <saklein@chromium.org>
diff --git a/api/message_util_unittest.py b/api/message_util_unittest.py
index caf22a1..08ce397 100644
--- a/api/message_util_unittest.py
+++ b/api/message_util_unittest.py
@@ -65,7 +65,8 @@
         """Test binary serialization/deserialization."""
         msg_path = os.path.join(self.tempdir, "proto")
 
-        # Use the message handler configured in the module to avoid config drift.
+        # Use the message handler configured in the module to avoid config
+        # drift.
         handler = message_util.get_message_handler(
             msg_path, message_util.FORMAT_BINARY
         )
@@ -88,7 +89,8 @@
         """Test json serialization/deserialization."""
         msg_path = os.path.join(self.tempdir, "proto")
 
-        # Use the message handler configured in the module to avoid config drift.
+        # Use the message handler configured in the module to avoid config
+        # drift.
         handler = message_util.get_message_handler(
             msg_path, message_util.FORMAT_JSON
         )