perf: Optimizing next and previous properties

scrapling/parser.py

@@ -426,8 +426,7 @@ class Selector(SelectorsGeneration):
     def next(self) -> Optional["Selector"]:
         """Returns the next element of the current element in the children of the parent or ``None`` otherwise."""
         next_element = self._root.getnext()
-        if next_element is not None:
-            while isinstance(next_element, html_forbidden):
+        while next_element is not None and isinstance(next_element, html_forbidden):
             # Ignore HTML comments and unwanted types
             next_element = next_element.getnext()
 
@@ -437,8 +436,7 @@ class Selector(SelectorsGeneration):
     def previous(self) -> Optional["Selector"]:
         """Returns the previous element of the current element in the children of the parent or ``None`` otherwise."""
         prev_element = self._root.getprevious()
-        if prev_element is not None:
-            while isinstance(prev_element, html_forbidden):
+        while prev_element is not None and isinstance(prev_element, html_forbidden):
             # Ignore HTML comments and unwanted types
             prev_element = prev_element.getprevious()