Add docstring

adam2392 · adam2392 · commit 462733963428 · 2023-09-08T14:05:17.000-04:00
Signed-off-by: Adam Li &lt;adam2392@gmail.com&gt;
diff --git a/sklearn/tree/_splitter.pxd b/sklearn/tree/_splitter.pxd
@@ -102,6 +102,8 @@ cdef class BaseSplitter:
     cdef int pointer_size(self) noexcept nogil
 
 cdef class Splitter(BaseSplitter):
+    """Base class for supervised splitters."""
+    
     cdef public Criterion criterion      # Impurity criterion
     cdef const DOUBLE_t[:, ::1] y
 
