fix tests, ser to string for json mode

Author: sydney-runkle

src/serializers/infer.rs

@@ -232,7 +232,8 @@ pub(crate) fn infer_to_python_known(
             }
             ObType::Complex => {
                 let v = value.downcast::<PyComplex>()?;
-                v.into_py(py)
+                let complex_str = type_serializers::complex::complex_to_str(v);
+                complex_str.into_py(py)
             }
             ObType::Path => value.str()?.into_py(py),
             ObType::Pattern => value.getattr(intern!(py, "pattern"))?.into_py(py),

tests/serializers/test_complex.py

@@ -42,4 +42,4 @@ def test_complex_json(value, expected):
 def test_complex_inference() -> None:
     s = SchemaSerializer(core_schema.any_schema())
     assert s.to_python(1 + 2j) == 1 + 2j
-    assert s.to_json(1 + 2j) == '1+2j'
+    assert s.to_json(1 + 2j) == b'"1+2j"'