diff --git a/dandi/support/digests.py b/dandi/support/digests.py
index db89086fe..d9403e1f4 100644
--- a/dandi/support/digests.py
+++ b/dandi/support/digests.py
@@ -170,8 +170,9 @@ def check_digests(
             break
     if digest_type is None:
         raise RuntimeError(
-            f"No digest found matching those in priority list. Got {digests.keys()} digests with priority list {priority}"
+            f"No digest found matching those in priority list. "
+            f"Got {digests.keys()} digests with priority list {priority}"
         )
 
     # return simple comparison
-    return get_digest(filepath, digest_type) == digest
+    return bool(get_digest(filepath, digest_type) == digest)
diff --git a/dandi/support/tests/test_digests.py b/dandi/support/tests/test_digests.py
index 724d056b6..62a24c48e 100644
--- a/dandi/support/tests/test_digests.py
+++ b/dandi/support/tests/test_digests.py
@@ -13,7 +13,7 @@
 from pytest_mock import MockerFixture
 
 from .. import digests
-from ..digests import Digester, get_zarr_checksum, check_digests
+from ..digests import Digester, check_digests, get_zarr_checksum
 
 
 def test_digester(tmp_path):
@@ -53,7 +53,7 @@ def test_digester(tmp_path):
     }
 
 
-def test_check_digests(tmp_path: Path):
+def test_check_digests(tmp_path: Path) -> None:
     # we should return True if the highest matching priority digest matches
     # the file digest, and false otherwise.
     f = tmp_path / "long.txt"
diff --git a/dandi/tests/test_download.py b/dandi/tests/test_download.py
index cd1c3747c..b8d24bc1d 100644
--- a/dandi/tests/test_download.py
+++ b/dandi/tests/test_download.py
@@ -153,7 +153,9 @@ def test_download_000027_resume(
 @pytest.mark.parametrize(
     "dlmode", (DownloadExisting.OVERWRITE_DIFFERENT, DownloadExisting.REFRESH)
 )
-def test_download_000027_digest(tmp_path: Path, dlmode, caplog):
+def test_download_000027_digest(
+    tmp_path: Path, dlmode: DownloadExisting, caplog: pytest.LogCaptureFixture
+) -> None:
     from ..support.digests import Digester
 
     # capture logs to test whether downloads happen