Test more python versions on 6.x branch (#1398)

Co-authored-by: David Brochart <[email protected]>

Author: ianthomas23

.github/workflows/ci.yml

@@ -22,16 +22,13 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.9", "3.13"]
-        include:
-          - os: ubuntu-latest
-            python-version: "pypy-3.9"
-          - os: macos-latest
-            python-version: "3.10"
-          - os: ubuntu-latest
-            python-version: "3.11"
-          - os: ubuntu-latest
-            python-version: "3.12"
+        python-version:
+          - "3.9"
+          - "3.10"
+          - "3.11"
+          - "3.12"
+          - "3.13"
+          - "pypy-3.10"
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -59,7 +56,7 @@ jobs:
 
       - name: Run the tests on Windows
         timeout-minutes: 15
-        if: ${{  startsWith(matrix.os, 'windows') }}
+        if: ${{ !startsWith( matrix.python-version, 'pypy' ) && ${{ startsWith(matrix.os, 'windows') }}
         run: |
           hatch run cov:nowarn
 

CHANGELOG.md

@@ -14,7 +14,7 @@ Pre-release to allow further testing of subshell implementation.
 
 ### Bugs fixed
 
-- [Bugfix] Set shell idle when message skipped by "should_handle" in "dispatch_shell" [#1395](https://github.com/ipython/ipykernel/pull/1395) ([@dby-tmwctw](https://github.com/dby-tmwctw))
+- \[Bugfix\] Set shell idle when message skipped by "should_handle" in "dispatch_shell" [#1395](https://github.com/ipython/ipykernel/pull/1395) ([@dby-tmwctw](https://github.com/dby-tmwctw))
 
 ### Maintenance and upkeep improvements
 

ipykernel/socket_pair.py

@@ -47,7 +47,7 @@ def pause_on_recv(self):
             self.to_stream.stop_on_recv()
 
     def resume_on_recv(self):
-        if self.to_stream is not None:
+        if self.to_stream is not None and not self.to_stream.closed():
             self.to_stream.on_recv(self.on_recv_callback, copy=self.on_recv_copy)
 
     def _address(self, name) -> str: