diff --git a/extensions/positron-python/pythonFiles/positron/positron_ipykernel/data_explorer.py b/extensions/positron-python/pythonFiles/positron/positron_ipykernel/data_explorer.py
index 881b773f0ff..b920b93a76e 100644
--- a/extensions/positron-python/pythonFiles/positron/positron_ipykernel/data_explorer.py
+++ b/extensions/positron-python/pythonFiles/positron/positron_ipykernel/data_explorer.py
@@ -301,6 +301,14 @@ def __init__(
         # fillna
         pd_.set_option("future.no_silent_downcasting", True)
 
+        # Putting this here rather than in the class body before
+        # Python < 3.10 has fussier rules about staticmethods
+        self._SUMMARIZERS = {
+            ColumnDisplayType.Boolean: self._summarize_boolean,
+            ColumnDisplayType.Number: self._summarize_number,
+            ColumnDisplayType.String: self._summarize_string,
+        }
+
     def invalidate_computations(self):
         self.filtered_indices = self.view_indices = None
         self._need_recompute = True
@@ -662,12 +670,6 @@ def _summarize_boolean(col: "pd.Series"):
             boolean_stats=SummaryStatsBoolean(true_count=true_count, false_count=false_count),
         )
 
-    _SUMMARIZERS = {
-        ColumnDisplayType.Boolean: _summarize_boolean,
-        ColumnDisplayType.Number: _summarize_number,
-        ColumnDisplayType.String: _summarize_string,
-    }
-
     def _prof_freq_table(self, column_index: int):
         raise NotImplementedError