Add self.buffers = bufs to set_buffer

src/sgnts/base/buffer.py

@@ -662,6 +662,7 @@ class TSFrame(Frame):
                 list[SeriesBuffers], the list of buffers to set to
         """
         self.__sanity_check(bufs)
+        self.buffers = bufs
 
     @property
     def offset(self) -> int: