attempt to skip some faulty test

hvplot/tests/testpatch.py

@@ -2,10 +2,13 @@
 Tests patching of supported libraries
 """
 
+import sys
+
 from unittest import TestCase, SkipTest
 
 import numpy as np
 import pandas as pd
+import pytest
 
 from hvplot.plotting import hvPlotTabular, hvPlot
 
@@ -117,6 +120,8 @@ def test_polars_series_patched(self):
         pseries = pl.Series([0, 1, 2])
         self.assertIsInstance(pseries.hvplot, hvPlotTabular)
 
+    # stack overflow error on the CI
+    @pytest.mark.skipif(sys.platform == 'win32' and sys.version[:2] == (3, 9))
     def test_polars_dataframe_patched(self):
         import polars as pl