style: using isinstance function as the main way for type checking

scrapling/engines/toolbelt/convertor.py

@@ -240,7 +240,7 @@ class ResponseFactory:
         return Response(
             url=response.url,
             content=response.content
-            if type(response.content) is bytes
+            if isinstance(response.content, bytes)
             else response.content.encode(),
             status=response.status_code,
             reason=response.reason,

scrapling/engines/toolbelt/custom.py

@@ -216,7 +216,7 @@ class BaseFetcher:
             storage_args=cls.storage_args,
         )
         if cls.adaptive_domain:
-            if type(cls.adaptive_domain) is not str:
+            if not isinstance(cls.adaptive_domain, str):
                 log.warning(
                     '[Ignored] The argument "adaptive_domain" must be of string type'
                 )