Addressed comments regarding test_get_frames_at_fails

Author: Molly Xu

src/torchcodec/_core/ops.py

@@ -222,9 +222,8 @@ def get_frames_by_pts(
         # Convert list to tensor for dispatch
         try:
             timestamps = torch.tensor(timestamps, dtype=torch.float64)
-        except (ValueError, TypeError):
-            # Type validation in C++ layer
-            pass
+        except Exception as e:
+            raise ValueError("Couldn't convert timestamps input to a tensor") from e
     return _get_frames_by_pts_tensor_input(decoder, timestamps=timestamps)
 
 

test/test_decoders.py

@@ -699,7 +699,9 @@ def test_get_frames_played_at_fails(self, device, seek_mode):
         with pytest.raises(RuntimeError, match="must be less than"):
             decoder.get_frames_played_at([14])
 
-        with pytest.raises(RuntimeError, match="Expected a value of type"):
+        with pytest.raises(
+            ValueError, match="Couldn't convert timestamps input to a tensor"
+        ):
             decoder.get_frames_played_at(["bad"])
 
     @pytest.mark.parametrize("device", all_supported_devices())