FIX: superfluous check

Author: dengemann

sklearn/utils/extmath.py

@@ -104,8 +104,7 @@ def _fast_dot(A, B):
                       'Falling back to np.dot.', NonBLASDotWarning)
         return np.dot(A, B)
 
-    if ((A.ndim == 1 or B.ndim == 1) or
-        (min(A.shape) == 1) or (min(B.shape) == 1) or
+    if ((min(A.shape) == 1) or (min(B.shape) == 1) or
         (A.ndim != 2) or (B.ndim != 2)):
         warnings.warn('Data must be 2D with more than one colum / row.'
                       'Falling back to np.dot', NonBLASDotWarning)