Linted.

grext/buffer.py

@@ -26,9 +26,9 @@ class CircularBuffer:
         """Get the last `m` matrices."""
         if m < 0:
             raise ValueError("`m` should be larger than 0.")
-        elif m > self.n:
+        if m > self.n:
             raise ValueError("`m` should be less than or equal to the buffer `n`.")
-        elif m > self.count:
+        if m > self.count:
             raise ValueError("`m` is larger than the stored matrices.")
 
         start_idx = (self.index - m) % self.n