remove scikit-learn sphinx mock

Author: hofaflo

docs/conf.py

@@ -29,8 +29,7 @@ class Mock(MagicMock):
     def __getattr__(cls, name):
             return MagicMock()
 
-MOCK_MODULES = ['numpy', 'matplotlib', 'matplotlib.pyplot', 'pandas', 'scipy',
-                'sklearn', 'sklearn.preprocessing']
+MOCK_MODULES = ['numpy', 'matplotlib', 'matplotlib.pyplot', 'pandas', 'scipy']
 sys.modules.update((mod_name, Mock()) for mod_name in MOCK_MODULES)
 
 # -- General configuration ------------------------------------------------
@@ -177,6 +176,3 @@ def __getattr__(cls, name):
      author, 'wfdb', 'One line description of project.',
      'Miscellaneous'),
 ]
-
-
-