update to https://github.com/mlpack/mlpack/commit/54e2914430ed4862ecdbde557790e828d9e6a7af
fix with newer setuptools

Index: src/mlpack/bindings/python/copy_artifacts.py
--- src/mlpack/bindings/python/copy_artifacts.py.orig
+++ src/mlpack/bindings/python/copy_artifacts.py
@@ -6,18 +6,14 @@
 # terms of the 3-clause BSD license.  You should have received a copy of the
 # 3-clause BSD license along with mlpack.  If not, see
 # http://www.opensource.org/licenses/BSD-3-Clause for more information.
-import sys
 import sysconfig
 import shutil
 import os
+import glob
 
-directory = 'build/lib.' + \
-            sysconfig.get_platform() + \
-            '-' + \
-            str(sys.version_info[0]) + \
-            '.' + \
-            str(sys.version_info[1]) + \
-            '/mlpack/'
+# Match any lib.$platform*/mlpack/ directory.
+directory = glob.glob('build/lib.' + sysconfig.get_platform() + '*/mlpack/')[0]
+directory = directory.replace('\\', '/')
 
 # Now copy all the files from the directory to the desired location.
 for f in os.listdir(directory):
