Workaround for tutorial visualizations not working in colab and remot…

…e setup (#2030)

Summary:
Pull Request resolved: #2030

Visualization in Ax tutorials is not working in colab and remote setup. This diff updates the "Visualization" tutorial on the ax.dev/tutorials page to show Sait's suggested workaround  using `plotly.io.redenderers` & adds a message pointing to that workaround when `init_notebook_plotting` is called

Reviewed By: saitcakmak, Balandat

Differential Revision: D51667836

fbshipit-source-id: d5e0a1de9a313ec10fe3f4a0e96c26bc5ba53b30

ax/utils/notebook/plotting.py

@@ -20,6 +20,13 @@ def init_notebook_plotting(offline: bool = False) -> None:
     display_bundle = {"text/html": _wrap_js(_js_requires(offline=offline))}
     display(display_bundle, raw=True)
     logger.info("Injecting Plotly library into cell. Do not overwrite or delete cell.")
+    logger.info(
+        """
+    Please see
+    (https://ax.dev/tutorials/visualizations.html#Fix-for-plots-that-are-not-rendering)
+    if visualizations are not rendering.
+    """.strip()
+    )
     init_notebook_mode()