MNT Avoid cluster warning following
@@ -14,7 +14,7 @@ from ..utils import check_array
from ..utils.extmath import row_norms, safe_sparse_dot
from ..utils.validation import check_is_fitted
from ..exceptions import ConvergenceWarning
-from .hierarchical import AgglomerativeClustering
+from ._hierarchical import AgglomerativeClustering
def _iterate_sparse_X(X):
