return type correctness

src/reactpy/utils.py

@@ -109,7 +109,7 @@ def string_to_reactpy(
         msg = f"Expected html to be a string, not {type(html).__name__}"
         raise TypeError(msg)
     if not html.strip():
-        return h.div()
+        return h.fragment()
     if "<" not in html or ">" not in html:
         msg = "Expected html string to contain HTML tags, but no tags were found."
         raise ValueError(msg)

tests/test_utils.py

@@ -94,7 +94,7 @@ def test_string_to_reactpy(case):
 
 @pytest.mark.parametrize("source", ["", "   ", "\n\t  "])
 def test_string_to_reactpy_empty_source(source):
-    assert utils.string_to_reactpy(source) == html.div()
+    assert utils.string_to_reactpy(source) == html.fragment()
 
 
 @pytest.mark.parametrize("source", [123, None, object()])