don't import tests

Author: amueller

sklearn/utils/sparsetools/tests/test_traversal.py

@@ -9,7 +9,7 @@
         csgraph_to_dense, csgraph_from_dense
 except ImportError:
     # Oldish versions of scipy don't have that
-    raise SkipTest("Old version of scipy, doesn't have csgraph")
+    raise SkipTest("Old version of scipy, doesn't have csgraph.")
 
 
 def test_graph_breadth_first():

sklearn/utils/testing.py

@@ -297,9 +297,9 @@ def is_abstract(c):
     path = sklearn.__path__
     for importer, modname, ispkg in pkgutil.walk_packages(
             path=path, prefix='sklearn.', onerror=lambda x: None):
-        module = __import__(modname, fromlist="dummy")
         if ".tests." in modname:
             continue
+        module = __import__(modname, fromlist="dummy")
         classes = inspect.getmembers(module, inspect.isclass)
         all_classes.extend(classes)