Merge branch 'main' into typing

Author: davidbrochart

.pre-commit-config.yaml

@@ -17,7 +17,7 @@ repos:
         exclude: ^\.yarn
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.8.6
+    rev: v0.9.2
     hooks:
       - id: ruff
         args: [--fix, --show-fixes]

jupyter_ydoc/ynotebook.py

@@ -251,7 +251,11 @@ def get(self) -> dict:
         cells = []
         for i in range(len(self._ycells)):
             cell = self.get_cell(i)
-            if "id" in cell and meta["nbformat"] == 4 and meta["nbformat_minor"] <= 4:
+            if (
+                "id" in cell
+                and int(meta.get("nbformat", 0)) == 4
+                and int(meta.get("nbformat_minor", 0)) <= 4
+            ):
                 # strip cell IDs if we have notebook format 4.0-4.4
                 del cell["id"]
             if (