chore: try printing out full issue

Author: ilan-gold

tests/test_regression/test_v2_dtype_regression.py

@@ -118,7 +118,7 @@ def source_array_v2(tmp_path: Path, request: pytest.FixtureRequest) -> ArrayV2:
     chunk_key_encoding = V2ChunkKeyEncoding(separator="/")
     dtype: ZDTypeLike
     if array_params.values.dtype == np.dtype("|O") and array_params.serializer == "vlen-utf8":
-        dtype = VariableLengthUTF8()  # type: ignore[assignment]
+        dtype = VariableLengthUTF8()
         filters = array_params.filters + (VLenUTF8(),)
     elif array_params.values.dtype == np.dtype("|O") and array_params.serializer == "vlen-bytes":
         dtype = VariableLengthBytes()
@@ -156,7 +156,7 @@ def source_array_v3(tmp_path: Path, request: pytest.FixtureRequest) -> ArrayV3:
     dtype: ZDTypeLike
     serializer: Literal["auto"] | zarr.abc.codec.Codec
     if array_params.values.dtype == np.dtype("|O") and array_params.serializer == "vlen-utf8":
-        dtype = VariableLengthUTF8()  # type: ignore[assignment]
+        dtype = VariableLengthUTF8()
         serializer = zarrcodecs.VLenUTF8Codec()
     elif array_params.values.dtype == np.dtype("|O") and array_params.serializer == "vlen-bytes":
         dtype = VariableLengthBytes()
@@ -211,7 +211,7 @@ def test_roundtrip_v2(source_array_v2: ArrayV2, tmp_path: Path, script_path: Pat
         capture_output=True,
         text=True,
     )
-    assert copy_op.returncode == 0
+    assert copy_op.returncode == 0, "stdout " + copy_op.stdout + "\n stderr" + copy_op.stderr
     out_array = zarr.open_array(store=out_path, mode="r", zarr_format=2)
     assert source_array_v2.metadata.to_dict() == out_array.metadata.to_dict()
     assert np.array_equal(source_array_v2[:], out_array[:])