Merge pull request #2579 from plotly/fix/jp-conflicts

Add warning if using JupyterDash

Author: T4rk1n

CHANGELOG.md

@@ -11,6 +11,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ## Changed
 
 - [#2573](https://github.com/plotly/dash/pull/2573) Use `julia --project` command inside `JuliaRunner`.
+- [#2579](https://github.com/plotly/dash/pull/2579) Add warning if using `JupyterDash`
 
 ## [2.11.0] - 2023-06-23
 

dash/dash.py

@@ -3,6 +3,7 @@
 import sys
 import collections
 import importlib
+import warnings
 from contextvars import copy_context
 from importlib.machinery import ModuleSpec
 import pkgutil
@@ -511,6 +512,12 @@ def __init__(  # pylint: disable=too-many-statements
 
         self.logger.setLevel(logging.INFO)
 
+        if self.__class__.__name__ == "JupyterDash":
+            warnings.warn(
+                "JupyterDash is deprecated, use Dash instead.\n"
+                "See https://dash.plotly.com/dash-in-jupyter for more details."
+            )
+
     def init_app(self, app=None, **kwargs):
         """Initialize the parts of Dash that require a flask app."""