diff --git a/graphistry/Plottable.py b/graphistry/Plottable.py
index 9f10f42f6..21aaea830 100644
--- a/graphistry/Plottable.py
+++ b/graphistry/Plottable.py
@@ -62,7 +62,8 @@ class Plottable(object):
     _complex_encodings : dict
     _bolt_driver : Any
     _tigergraph : Any
-
+    _spannergraph: SpannerGraph = None
+    
     _dataset_id: Optional[str]
     _url: Optional[str]
     _nodes_file_id: Optional[str]
diff --git a/graphistry/PlotterBase.py b/graphistry/PlotterBase.py
index f9b9367c4..ac38cd5eb 100644
--- a/graphistry/PlotterBase.py
+++ b/graphistry/PlotterBase.py
@@ -178,7 +178,7 @@ def __init__(self, *args: Any, **kwargs: Any) -> None:
         # Integrations
         self._bolt_driver : Any = None
         self._tigergraph : Any = None
-        self._spannergraph : Any = None
+        self._spannergraph: SpannerGraph = None
 
         # feature engineering
         self._node_embedding = None
@@ -2546,7 +2546,7 @@ def spanner_gql_to_g(self: Plottable, query: str) -> Plottable:
             else: 
                 logger.warning('PyGraphistry._config["spanner"] is None')
         
-            res = res.spanner_init(PyGraphistry._config["spanner"])
+            res = res.spanner_init(PyGraphistry._config["spanner"]) # type: ignore[attr-defined]
 
         return res._spannergraph.gql_to_graph(query)