Add dask setting to disable query-planning for now

.github/workflows/test.yaml

@@ -144,7 +144,7 @@ jobs:
         run: |
           conda activate test-environment
           conda uninstall panel bokeh --force --offline -y || true
-          pip install bokeh panel --pre
+          pip install bokeh 'panel==1.4.0b2' --pre
           echo "Installing dev releases of Panel and Bokeh" >> $GITHUB_STEP_SUMMARY
       - name: Check packages latest version
         if: needs.setup.outputs.code_change == 'true'

holoviews/tests/conftest.py

@@ -41,11 +41,14 @@ def pytest_collection_modifyitems(config, items):
 
 
 with contextlib.suppress(Exception):
-    # From Dask 2023.7,1 they now automatic convert strings
+    # From Dask 2023.7.1 they now automatically convert strings
     # https://docs.dask.org/en/stable/changelog.html#v2023-7-1
+    # From Dask 2024.3.0 they now use `dask_expr` by default
+    # https://github.com/dask/dask/issues/10995
     import dask
 
     dask.config.set({"dataframe.convert-string": False})
+    dask.config.set({"dataframe.query-planning": False})
 
 
 @pytest.fixture

setup.py

@@ -13,7 +13,7 @@
     "param >=1.12.0,<3.0",
     "numpy >=1.0",
     "pyviz_comms >=2.1",
-    "panel >=1.0",
+    "panel ==1.4.0b2",
     "colorcet",
     "packaging",
     "pandas >=0.20.0",