fix f string (#829)

mosaicml · Nov 21, 2024 · 322ceb3 · 322ceb3
1 parent 3f75eb3
commit 322ceb3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/streaming/base/format/mds/encodings.py b/streaming/base/format/mds/encodings.py
@@ -258,7 +258,7 @@ def encode(self, obj: npt.NDArray) -> bytes:
             parts.append(part)
         else:
             if obj.shape != self.shape:
-                raise ValueError('Wrong shape: expected {self.shape}, got {obj.shape}.')
+                raise ValueError(f'Wrong shape: expected {self.shape}, got {obj.shape}.')
 
         # Encode the array values.
         part = obj.tobytes()