diff --git a/DESCRIPTION b/DESCRIPTION
index 9566ab1d..b1d36808 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -2,7 +2,7 @@ Package: genieclust
 Type: Package
 Title: Fast and Robust Hierarchical Clustering with Noise Points Detection
 Version: 1.1.4.9002
-Date: 2023-07-24
+Date: 2023-09-19
 Authors@R: c(
     person("Marek", "Gagolewski",
         role = c("aut", "cre", "cph"),
diff --git a/NEWS b/NEWS
index a3c3b70f..9349ea89 100644
--- a/NEWS
+++ b/NEWS
@@ -6,6 +6,8 @@
 * [BUGFIX] [Python] #80: fixed adjustment for `nmslib_n_neighbors`
     in small samples.
 
+* [BUGFIX] [Python] #82: `cluster_validity` submodule not imported.
+
 * [BUGFIX] Some external cluster validity measures
     now handle NaNs better and are slightly less prone to round-off errors.
 
diff --git a/genieclust/__init__.py b/genieclust/__init__.py
index e6cc9678..3b7ef300 100644
--- a/genieclust/__init__.py
+++ b/genieclust/__init__.py
@@ -21,12 +21,13 @@
 # ############################################################################ #
 
 # version string, e.g., "1.0.0.9001" or "1.1.1"
-__version__ = "1.1.4.9001"
+__version__ = "1.1.4.9002"
 
 
 from . import plots
 from . import inequity
 from . import tools
 from . import compare_partitions
+from . import cluster_validity
 from . import internal
 from .genie import Genie, GIc
diff --git a/src/c_compare_partitions.h b/src/c_compare_partitions.h
index f1e7a7f2..31bb8b9b 100644
--- a/src/c_compare_partitions.h
+++ b/src/c_compare_partitions.h
@@ -300,7 +300,7 @@ CComparePartitionsPairsResult Ccompare_partitions_pairs(const T* C,
     double prod_comb = (sum_comb_x*sum_comb_y)/n/(n-1.0)*2.0; // expected sum_comb,
                                         // see Eq.(2) in (Hubert, Arabie, 1985)
     double mean_comb = (sum_comb_x+sum_comb_y)*0.5;
-    double e_fm = prod_comb/sqrt(sum_comb_x*sum_comb_y); // expected FM (variant)
+    double e_fm = prod_comb/sqrt(sum_comb_x*sum_comb_y); // expected FM
 
     CComparePartitionsPairsResult res;
     res.ar  = (sum_comb-prod_comb)/(mean_comb-prod_comb);