Backport PR matplotlib#29770: MNT: Move test for old ipython behavior to minver tests

dstansby · meeseeksmachine · commit ba55b7cdac9d · 2025-03-21T19:59:01.000Z
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
@@ -59,12 +59,7 @@ jobs:
             pyside6-ver: '==6.2.0'
           - os: ubuntu-20.04
             python-version: '3.10'
-            # One CI run tests ipython/matplotlib-inline before backend mapping moved to mpl
-            extra-requirements:
-              -r requirements/testing/extra.txt
-              "ipython==7.29.0"
-              "ipykernel==5.5.6"
-              "matplotlib-inline<0.1.7"
+            extra-requirements: '-r requirements/testing/extra.txt'
             CFLAGS: "-fno-lto"  # Ensure that disabling LTO works.
             # https://github.com/matplotlib/matplotlib/pull/26052#issuecomment-1574595954
             # https://www.riverbankcomputing.com/pipermail/pyqt/2023-November/045606.html
diff --git a/requirements/testing/minver.txt b/requirements/testing/minver.txt
@@ -13,3 +13,11 @@ pillow==8.3.2
 pyparsing==2.3.1
 pytest==7.0.0
 python-dateutil==2.7
+
+# Test ipython/matplotlib-inline before backend mapping moved to mpl.
+# This should be tested for a reasonably long transition period,
+# but we will eventually remove the test when we no longer support
+# ipython/matplotlib-inline versions from before the transition.
+ipython==7.29.0
+ipykernel==5.5.6
+matplotlib-inline<0.1.7
