From 792e8a33cde3107453e1ba82f60a4b7fef7fbfa2 Mon Sep 17 00:00:00 2001
From: Antony Lee <anntzer.lee@gmail.com>
Date: Fri, 7 Jun 2024 17:34:54 +0200
Subject: [PATCH 1/2] Don't use deprecated matplotlib.cm.get_cmap.

pyplot.get_cmap provides the desired API and is compatible across all
versions of matplotlib.
---
 yt_idv/opengl_support.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/yt_idv/opengl_support.py b/yt_idv/opengl_support.py
index 0d37647..71219e7 100644
--- a/yt_idv/opengl_support.py
+++ b/yt_idv/opengl_support.py
@@ -18,7 +18,7 @@
 import numpy as np
 import traitlets
 import traittypes
-from matplotlib import colormaps as cm
+import matplotlib.pyplot as plt
 from OpenGL import GL
 
 # Set up a mapping from numbers to names
@@ -221,7 +221,7 @@ def __init__(self, *args, **kwargs):
     @traitlets.validate("colormap_name")
     def _validate_name(self, proposal):
         try:
-            cm.get_cmap(proposal["value"])
+            plt.get_cmap(proposal["value"])
         except ValueError:
             raise traitlets.TraitError(
                 "Colormap name needs to be known by" "matplotlib"
@@ -230,7 +230,7 @@ def _validate_name(self, proposal):
 
     @traitlets.observe("colormap_name")
     def _observe_colormap_name(self, change):
-        cmap = cm.get_cmap(change["new"])
+        cmap = plt.get_cmap(change["new"])
         cmap_vals = np.array(cmap(np.linspace(0, 1, 256)), dtype="f4")
         self.data = cmap_vals
 

From 2f9cbb32493056c81cac24772750ddc1cf1ba8db Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Fri, 7 Jun 2024 15:37:43 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 yt_idv/opengl_support.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yt_idv/opengl_support.py b/yt_idv/opengl_support.py
index 71219e7..06d5a2d 100644
--- a/yt_idv/opengl_support.py
+++ b/yt_idv/opengl_support.py
@@ -15,10 +15,10 @@
 
 from contextlib import ExitStack, contextmanager
 
+import matplotlib.pyplot as plt
 import numpy as np
 import traitlets
 import traittypes
-import matplotlib.pyplot as plt
 from OpenGL import GL
 
 # Set up a mapping from numbers to names