Stop generating nan values in tests to work with latest attrs (round 2) (#585)

* Stop generating nan values in tests to work with latest attrs (round 2)

this is a follow up commit to 96ed9a1

* Reformat

---------

Co-authored-by: Tin Tvrtković <[email protected]>

Author: natsukium

tests/test_baseconverter.py

@@ -27,7 +27,10 @@ def test_simple_roundtrip(cls_and_vals, strat):
     assert inst == converter.structure(converter.unstructure(inst), cl)
 
 
-@given(simple_typed_attrs(defaults=True, newtypes=False), unstructure_strats)
+@given(
+    simple_typed_attrs(defaults=True, newtypes=False, allow_nan=False),
+    unstructure_strats,
+)
 def test_simple_roundtrip_defaults(attr_and_strat, strat):
     """
     Simple classes with metadata can be unstructured and restructured.