diff --git a/tools/contributor-metrics/tests/test_fetch.py b/tools/contributor-metrics/tests/test_fetch.py
index 0d2199c68..fda77e03f 100644
--- a/tools/contributor-metrics/tests/test_fetch.py
+++ b/tools/contributor-metrics/tests/test_fetch.py
@@ -363,7 +363,7 @@ def convo(dates):
 
 
 def test_rate_limit_is_retried_with_backoff(fake_gh, monkeypatch):
-    import contributor_metrics.fetch as f
+    from contributor_metrics import fetch as f
 
     sleeps = []
     monkeypatch.setattr(f.time, "sleep", lambda s: sleeps.append(s))
@@ -383,7 +383,7 @@ def flaky(cmd, *a, **k):
 
 
 def test_other_gh_errors_are_not_retried(fake_gh, monkeypatch):
-    import contributor_metrics.fetch as f
+    from contributor_metrics import fetch as f
 
     monkeypatch.setattr(f.time, "sleep", lambda s: (_ for _ in ()).throw(AssertionError("should not sleep")))
     monkeypatch.setattr(
diff --git a/tools/jira/tests/test_rest.py b/tools/jira/tests/test_rest.py
index 67ee7dfb7..79f87db7e 100644
--- a/tools/jira/tests/test_rest.py
+++ b/tools/jira/tests/test_rest.py
@@ -15,7 +15,7 @@
 
 import pytest
 
-import jira_bridge.rest as rest_mod
+from jira_bridge import rest as rest_mod
 from jira_bridge.rest import JiraRest, JiraRestConfigError, JiraRestError
 
 BASE = "https://issues.example.org/jira"
diff --git a/tools/reproducible-archive/tests/test_reproducible_archive.py b/tools/reproducible-archive/tests/test_reproducible_archive.py
index fbd73ec4d..a7f7f8bd5 100644
--- a/tools/reproducible-archive/tests/test_reproducible_archive.py
+++ b/tools/reproducible-archive/tests/test_reproducible_archive.py
@@ -194,9 +194,10 @@ def test_symlink_mode_is_platform_independent(fmt: str) -> None:
     macos = [*base, ra.Entry("p/link", "symlink", 0o755, linkname="target")]
     linux = [*base, ra.Entry("p/link", "symlink", 0o777, linkname="target")]
     write = ra.write_zip if fmt == "zip" else ra.write_tar_gz
-    assert write(macos, EPOCH) == write(linux, EPOCH)
+    macos_archive, linux_archive = write(macos, EPOCH), write(linux, EPOCH)
+    assert macos_archive == linux_archive
     assert ra.swhid_dir_of_entries(macos, "p") == ra.swhid_dir_of_entries(linux, "p")
-    packed = ra.read_zip_entries(write(macos, EPOCH)) if fmt == "zip" else ra.read_tar_entries(write(macos, EPOCH))
+    packed = ra.read_zip_entries(macos_archive) if fmt == "zip" else ra.read_tar_entries(macos_archive)
     assert [e.mode for e in packed if e.kind == "symlink"] == [0o777]
 
 
diff --git a/tools/vetted-ops/src/vetted_ops/ops.py b/tools/vetted-ops/src/vetted_ops/ops.py
index 1a13978e2..e6539f9d5 100644
--- a/tools/vetted-ops/src/vetted_ops/ops.py
+++ b/tools/vetted-ops/src/vetted_ops/ops.py
@@ -1870,9 +1870,11 @@ def build(cfg: dict[str, str], login: str) -> list[str]:
             # paths drops that flag, so a caller cannot tell a complete listing
             # from a partial one and reads the gap as "those paths do not
             # exist". Fail loudly instead of answering with half a tree.
-            'if .truncated then error("repo-tree: the GitHub API truncated '
-            "this tree; the listing is incomplete. Walk the tree level by "
-            'level instead of relying on recursive=1.") else .tree[].path end',
+            (
+                'if .truncated then error("repo-tree: the GitHub API truncated '
+                "this tree; the listing is incomplete. Walk the tree level by "
+                'level instead of relying on recursive=1.") else .tree[].path end'
+            ),
         ],
     )
 )