sparseutils mean_var_axis check for ddof after axis checks

pavlin-policar · pavlin-policar · commit 46c25405f33e · 2019-02-01T12:08:57.000+01:00
diff --git a/sklearn/utils/sparsefuncs.py b/sklearn/utils/sparsefuncs.py
@@ -87,14 +87,14 @@ def mean_variance_axis(X, axis, ddof=0):
         Feature-wise variances
 
     """
+    _raise_error_wrong_axis(axis)
+
     if ddof < 0:
         raise ValueError('ddof cannot be <0')
 
     if ddof >= X.shape[axis]:
         raise ValueError('ddof cannot be <N')
 
-    _raise_error_wrong_axis(axis)
-
     if isinstance(X, sp.csr_matrix):
         if axis == 0:
             return _csr_mean_var_axis0(X, ddof=ddof)
