Remove use of matplotlib's get_offset_position

Author: NeilGirdhar

Diff for: packages/python/plotly/plotly/matplotlylib/mplexporter/exporter.py

@@ -285,8 +285,12 @@ def draw_collection(
             "zorder": collection.get_zorder(),
         }
 
+        # TODO: When matplotlib's minimum version is bumped to 3.8, this can be
+        # simplified since collection.get_offset_position no longer exists.
         offset_dict = {"data": "before", "screen": "after"}
-        offset_order = offset_dict[collection.get_offset_position()]
+        offset_order = (offset_dict[collection.get_offset_position()]
+                        if hasattr(collection, "get_offset_position")
+                        else "after")
 
         self.renderer.draw_path_collection(
             paths=processed_paths,