Handle warnings from tests and remove ipykernel and fsspec pins (#5649)

holoviews/tests/plotting/test_comms.py

@@ -54,11 +54,3 @@ def test_decode(self):
         msg = {'content': {'data': 'Test'}}
         decoded = JupyterComm.decode(msg)
         self.assertEqual(decoded, 'Test')
-
-    def test_on_msg(self):
-        def raise_error(msg):
-            if msg == 'Error':
-                raise Exception()
-        comm = JupyterComm(id='Test', on_msg=raise_error)
-        with self.assertRaises(Exception):
-            comm._handle_msg({'content': {'data': 'Error'}})

pyproject.toml

@@ -24,6 +24,8 @@ filterwarnings = [
     "ignore:`.+?` is a deprecated alias for `.+?`.:DeprecationWarning:skimage.util.dtype",  # https://github.com/scikit-image/scikit-image/pull/6637
     # 2023-01: Sqlalchemy 2.0 warning:
     "ignore: Deprecated API features detected:DeprecationWarning:ibis.backends.base.sql.alchemy",  # https://github.com/ibis-project/ibis/issues/5048
+    # 2023-03: Already handling the nested sequence
+    "ignore:Creating an ndarray from ragged nested sequences:numpy.VisibleDeprecationWarning:holoviews.core.data.spatialpandas"
 ]
 
 [tool.ruff]

setup.py

@@ -41,8 +41,6 @@
     'dash >=1.16',
     'codecov',
     'ipython >=5.4.0',
-    # Issues with comm (see https://github.com/ipython/ipykernel/issues/1026)
-    'ipykernel <6.18.0',
 ]
 
 # Optional tests dependencies, i.e. one should be able
@@ -108,11 +106,6 @@
         "datashader >=0.11.1",
     ]
 
-if sys.version_info < (3, 8):
-    extras_require["tests"] += [
-        "fsspec == 2023.1",
-    ]
-
 
 extras_require["examples_tests"] = extras_require["examples"] + extras_require['tests_nb']