diff -urN scikit-learn-0.19.1-orig/sklearn/metrics/cluster/setup.py scikit-learn-0.19.1/sklearn/metrics/cluster/setup.py
--- scikit-learn-0.19.1-orig/sklearn/metrics/cluster/setup.py	2018-05-10 13:03:30.982433283 +0200
+++ scikit-learn-0.19.1/sklearn/metrics/cluster/setup.py	2018-05-10 13:08:30.205392486 +0200
@@ -5,7 +5,7 @@
 
 
 def configuration(parent_package="", top_path=None):
-    config = Configuration("metrics/cluster", parent_package, top_path)
+    config = Configuration("cluster", parent_package, top_path)
     libraries = []
     if os.name == 'posix':
         libraries.append('m')
diff -urN scikit-learn-0.19.1-orig/sklearn/metrics/setup.py scikit-learn-0.19.1/sklearn/metrics/setup.py
--- scikit-learn-0.19.1-orig/sklearn/metrics/setup.py	2018-05-10 13:03:30.982433283 +0200
+++ scikit-learn-0.19.1/sklearn/metrics/setup.py	2018-05-10 13:08:45.125595586 +0200
@@ -14,6 +14,7 @@
     if os.name == 'posix':
         cblas_libs.append('m')
 
+    config.add_subpackage('cluster')
     config.add_extension("pairwise_fast",
                          sources=["pairwise_fast.pyx"],
                          include_dirs=[os.path.join('..', 'src', 'cblas'),
diff -urN scikit-learn-0.19.1-orig/sklearn/setup.py scikit-learn-0.19.1/sklearn/setup.py
--- scikit-learn-0.19.1-orig/sklearn/setup.py	2018-05-10 13:03:30.945766331 +0200
+++ scikit-learn-0.19.1/sklearn/setup.py	2018-05-10 13:08:53.652377292 +0200
@@ -51,7 +51,6 @@
     config.add_subpackage('feature_extraction')
     config.add_subpackage('manifold')
     config.add_subpackage('metrics')
-    config.add_subpackage('metrics/cluster')
     config.add_subpackage('neighbors')
     config.add_subpackage('tree')
     config.add_subpackage('svm')