diff --git a/api/odl.py b/api/odl.py
index 5d42046bc4..305a4c389a 100644
--- a/api/odl.py
+++ b/api/odl.py
@@ -1244,11 +1244,12 @@ def _detail_for_elementtree_entry(
                 concurrent_checkouts = subtag(terms[0], "odl:concurrent_checkouts")
                 expires = subtag(terms[0], "odl:expires")
 
-            if concurrent_checkouts is not None:
-                concurrent_checkouts_int = int(concurrent_checkouts)
-
-            if expires is not None:
-                expires_datetime = to_utc(dateutil.parser.parse(expires))
+            concurrent_checkouts_int = (
+                int(concurrent_checkouts) if concurrent_checkouts is not None else None
+            )
+            expires_datetime = (
+                to_utc(dateutil.parser.parse(expires)) if expires is not None else None
+            )
 
             if not odl_status_link:
                 parsed_license = None
diff --git a/tests/api/test_odl.py b/tests/api/test_odl.py
index b483f71901..518e6cf4de 100644
--- a/tests/api/test_odl.py
+++ b/tests/api/test_odl.py
@@ -1242,7 +1242,7 @@ def test_release_hold_success(
         odl_api_test_fixture.checkout(patron=loan_patron)
         odl_api_test_fixture.pool.on_hold_to(odl_api_test_fixture.patron, position=1)
 
-        assert True == odl_api_test_fixture.api.release_hold(
+        odl_api_test_fixture.api.release_hold(
             odl_api_test_fixture.patron, "pin", odl_api_test_fixture.pool
         )
         assert 0 == odl_api_test_fixture.pool.licenses_available
@@ -1253,7 +1253,7 @@ def test_release_hold_success(
         odl_api_test_fixture.pool.on_hold_to(odl_api_test_fixture.patron, position=0)
         odl_api_test_fixture.checkin(patron=loan_patron)
 
-        assert True == odl_api_test_fixture.api.release_hold(
+        odl_api_test_fixture.api.release_hold(
             odl_api_test_fixture.patron, "pin", odl_api_test_fixture.pool
         )
         assert 1 == odl_api_test_fixture.pool.licenses_available
@@ -1266,7 +1266,7 @@ def test_release_hold_success(
             db.patron(), position=2
         )
 
-        assert True == odl_api_test_fixture.api.release_hold(
+        odl_api_test_fixture.api.release_hold(
             odl_api_test_fixture.patron, "pin", odl_api_test_fixture.pool
         )
         assert 0 == odl_api_test_fixture.pool.licenses_available