check for Sequence

spinn_utilities/ranged/ranged_list_of_lists.py

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from collections.abc import Iterable
+from collections.abc import Sequence
 from typing import Generic, List
 from spinn_utilities.helpful_functions import is_singleton
 from spinn_utilities.overrides import overrides
@@ -29,7 +29,7 @@ def listness_check(self, value: ValueType) -> bool:
             raise TypeError(
                 "Value must be an iterable or iterable of iterables")
         try:
-            if not isinstance(value, Iterable):
+            if not isinstance(value, Sequence):
                 raise TypeError
             # Must be an iterable
             if len(value) == 0: