REF: use _unary_method for SparseArray.__abs__ (#43846)

Author: jbrockmendel

pandas/core/arrays/sparse/array.py

@@ -1597,9 +1597,6 @@ def __array_ufunc__(self, ufunc: np.ufunc, method: str, *inputs, **kwargs):
  else:
  return type(self)(result)
 
- def __abs__(self):
- return np.abs(self)
-
  # ------------------------------------------------------------------------
  # Ops
  # ------------------------------------------------------------------------
@@ -1681,6 +1678,9 @@ def __neg__(self) -> SparseArray:
  def __invert__(self) -> SparseArray:
  return self._unary_method(operator.invert)
 
+ def __abs__(self) -> SparseArray:
+ return self._unary_method(operator.abs)
+
  # ----------
  # Formatting
  # -----------