try int8

xarray-contrib · Apr 1, 2024 · a9097c2 · a9097c2
1 parent b0c550b
commit a9097c2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/flox/core.py b/flox/core.py
@@ -2175,7 +2175,7 @@ def groupby_reduce(
     if not is_duck_array(array):
         array = np.asarray(array)
     is_bool_array = np.issubdtype(array.dtype, bool)
-    array = array.astype(np.intp) if is_bool_array else array
+    array = array.astype(np.int8) if is_bool_array else array
 
     isbins = _atleast_1d(isbin, nby)