Minor improvements

Author: rushter

selectolax/parser.pyi

@@ -268,7 +268,7 @@ class Node:
     def remove(self, recursive: bool = True) -> None:
         """An alias for the decompose method."""
         ...
-    def unwrap(self) -> None:
+    def unwrap(self, delete_empty: bool = False) -> None:
         """Replace node with whatever is inside this node.
 
         Parameters

selectolax/parser.pyx

@@ -128,7 +128,7 @@ cdef class HTMLParser:
             PyErr_SetObject(RuntimeError, "Can't parse HTML (status code: %d)" % status)
             return -1
 
-        if (self.html_tree.node_html == NULL):
+        if self.html_tree.node_html == NULL:
             PyErr_SetObject(RuntimeError, "html_tree is still NULL even after parsing ")
             return -1
         return 0