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/validate_unittest.py b/api/validate_unittest.py
index 4c0b8a9..cd7bc03 100644
--- a/api/validate_unittest.py
+++ b/api/validate_unittest.py
@@ -564,7 +564,7 @@
         def impl(_input_proto, _output_proto, _config):
             self.fail("Incorrectly allowed method to execute.")
 
-        # We will get an assertion error unless validate_only prevents the function
-        # from being called.
+        # We will get an assertion error unless validate_only prevents the
+        # function from being called.
         with self.assertRaises(AssertionError):
             impl(common_pb2.Chroot(), common_pb2.Chroot(), self.api_config)