diff --color -ur a/pandas/tests/arrays/sparse/test_array.py b/pandas/tests/arrays/sparse/test_array.py
--- a/pandas/tests/arrays/sparse/test_array.py	2020-12-07 12:42:08.000000000 +0100
+++ b/pandas/tests/arrays/sparse/test_array.py	2021-02-27 21:48:16.483903149 +0100
@@ -1188,7 +1188,7 @@
         row = [0, 3, 1, 0]
         col = [0, 3, 1, 2]
         data = [4, 5, 7, 9]
-        sp_array = scipy.sparse.coo_matrix((data, (row, col)))
+        sp_array = scipy.sparse.coo_matrix((data, (row, col)), dtype="int")
         result = pd.Series.sparse.from_coo(sp_array)
 
         index = pd.MultiIndex.from_arrays([[0, 0, 1, 3], [0, 2, 1, 3]])