From 0602bdb25727820ee801b7afb13c6a64fcf0d488 Mon Sep 17 00:00:00 2001
From: martinRenou <martin.renou@gmail.com>
Date: Wed, 5 Jan 2022 15:55:55 +0100
Subject: [PATCH] Use Retrolab on Binder

---
 .binder/environment.yml            | 3 ++-
 .github/workflows/binder-on-pr.yml | 2 +-
 README.md                          | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/.binder/environment.yml b/.binder/environment.yml
index 7cba1b8a..90d94e5c 100644
--- a/.binder/environment.yml
+++ b/.binder/environment.yml
@@ -4,6 +4,7 @@ channels:
 dependencies:
   - yarn
   - numpy
-  - jupyterlab>=3
+  - jupyterlab>=3,<4
+  - retrolab
   - matplotlib-base>=2.2.2
   - jupyter-packaging=0.7
diff --git a/.github/workflows/binder-on-pr.yml b/.github/workflows/binder-on-pr.yml
index accd8f0e..c9b95ed6 100644
--- a/.github/workflows/binder-on-pr.yml
+++ b/.github/workflows/binder-on-pr.yml
@@ -19,7 +19,7 @@ jobs:
             issue_number: context.issue.number,
             owner: context.repo.owner,
             repo: context.repo.repo,
-            body: `[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/${PR_HEAD_USERREPO}/${PR_HEAD_REF}?urlpath=lab/tree/) :point_left: Launch a binder notebook on branch _${PR_HEAD_USERREPO}/${PR_HEAD_REF}_`
+            body: `[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/${PR_HEAD_USERREPO}/${PR_HEAD_REF}?urlpath=retro/examples/ipympl.ipynb) :point_left: Launch a binder notebook on branch _${PR_HEAD_USERREPO}/${PR_HEAD_REF}_`
           })
       env:
         PR_HEAD_REF: ${{ github.event.pull_request.head.ref }}
diff --git a/README.md b/README.md
index c2bad867..49ab457b 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 [![Latest PyPI version](https://img.shields.io/pypi/v/ipympl?logo=pypi)](https://pypi.python.org/pypi/ipympl)
 [![Latest conda-forge version](https://img.shields.io/conda/vn/conda-forge/ipympl?logo=conda-forge)](https://anaconda.org/conda-forge/ipympl)
 [![Latest npm version](https://img.shields.io/npm/v/jupyter-matplotlib?logo=npm)](https://www.npmjs.com/package/jupyter-matplotlib)
-[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/matplotlib/ipympl/stable?urlpath=%2Flab%2Ftree%2Fexamples%2Fipympl.ipynb)
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/matplotlib/ipympl/stable?urlpath=%2Fretro%2Fexamples%2Fipympl.ipynb)
 [![Gitter](https://img.shields.io/badge/gitter-Join_chat-blue?logo=gitter)](https://gitter.im/jupyter-widgets/Lobby)
 
 Leveraging the Jupyter interactive widgets framework, `ipympl` enables the interactive features of matplotlib in the Jupyter notebook and in JupyterLab.