CI: workaround numpydev bug

We don't want this long-term. But there's no easy way
to skip this for numpydev, since it errors in setup.

Author: TomAugspurger

pandas/core/arrays/sparse/array.py

@@ -1572,6 +1572,9 @@ def make_sparse(arr, kind="block", fill_value=None, dtype=None, copy=False):
             mask = splib.make_mask_object_ndarray(arr, fill_value)
         else:
             mask = arr != fill_value
+            # https://github.com/pandas-dev/pandas/issues/29432
+            # workaround numpydev issue
+            mask = mask.astype(bool)
 
     length = len(arr)
     if length != len(mask):