import orjson on initial load

Author: emilykl

packages/python/plotly/plotly/io/_json.py

@@ -8,6 +8,9 @@
 from _plotly_utils.optional_imports import get_module
 from _plotly_utils.basevalidators import ImageUriValidator
 
+# Ensure `orjson` module is loaded immediately if present (to avoid error on hot reload)
+get_module("orjson", should_load=True)
+
 
 # Orca configuration class
 # ------------------------
@@ -105,6 +108,7 @@ def to_json_plotly(plotly_object, pretty=False, engine=None):
     --------
     to_json : Convert a plotly Figure to JSON with validation
     """
+
     orjson = get_module("orjson", should_load=True)
 
     # Determine json engine