TYP: reduce runtime type flexibility

yt-project · Dec 4, 2022 · 1eadd1e · 1eadd1e
1 parent 21a2338
commit 1eadd1e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/yt/data_objects/static_output.py b/yt/data_objects/static_output.py
@@ -923,7 +923,7 @@ def _get_field_info_helper(
 
         if isinstance(field, str):
             ftype, fname = "unknown", field
-        elif is_sequence(field) and len(field) == 2:
+        elif isinstance(field, tuple) and len(field) == 2:
             ftype, fname = field
         elif isinstance(field, DerivedField):
             ftype, fname = field.name