fix: byte streams were destroyed by wrapper (#18)

* feat: add serialization support for mashumaro

* fix(tests): on python 3.8

* feat: allow defaults to be configured by package singleton dataclass

* fix: string_repr was not cloned

* chore(codefactor): improve maintainability

* fix: byte streams were destroyed by wrapper

mutapath/decorator.py

@@ -74,9 +74,9 @@ def __wrap_decorator(self, *args, **kwargs):
             return None
 
         converter = __path_converter(self.clone)
-        if isinstance(result, List) and not isinstance(result, str):
+        if isinstance(result, List) and not isinstance(result, (str, bytes, bytearray)):
             return list(map(converter, result))
-        if isinstance(result, Iterable) and not isinstance(result, str):
+        if isinstance(result, Iterable) and not isinstance(result, (str, bytes, bytearray)):
             return (converter(g) for g in result)
         return __path_converter(self.clone)(result)