cache sbert contextual embeddings for binder speedups

code/nbutils.py

@@ -88,7 +88,7 @@ def initialize(display_mode="auto"):
     
     if _display_mode == DisplayMode.SERVER:
         os.environ["BOKEH_ALLOW_WS_ORIGIN"] = ",".join(
-            [f"localhost:{port}" for port in range(8890, 8893)])
+            [f"localhost:{port}" for port in range(8888, 8898)])
     
     bokeh.io.output_notebook()