Use pytest.approx for dict comparison to test on other architectures

src/mc_optimade/tests/test_convert.py

@@ -59,7 +59,7 @@ def test_convert_example_archives(archive_path, tmp_path):
                     species, key=lambda x: x["name"]
                 )
 
-            assert next_entry == first_entry
+            assert next_entry == pytest.approx(first_entry)
 
 
 def test_decompress_bz2(tmp_path):