Update skew_heap.py

Author: lighting9999

data_structures/heap/skew_heap.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
 
-
 from __future__ import annotations
 
 from collections.abc import Iterable, Iterator
@@ -62,37 +61,35 @@ def value(self) -> T:
         """
         return self._value
 
+    @staticmethod
+    def merge(root1: SkewNode[T] | None, root2: SkewNode[T] | None) -> SkewNode[T] | None:
+        """
+        Merge 2 nodes together.
+        >>> SkewNode.merge(SkewNode(10),SkewNode(-10.5)).value
+        -10.5
+        >>> SkewNode.merge(SkewNode(10),SkewNode(10.5)).value
+        10
+        >>> SkewNode.merge(SkewNode(10),SkewNode(10)).value
+        10
+        >>> SkewNode.merge(SkewNode(-100),SkewNode(-10.5)).value
+        -100
+        """
+        if not root1:
+            return root2
 
-@staticmethod
-def merge(root1: SkewNode[T] | None, root2: SkewNode[T] | None) -> SkewNode[T] | None:
-    """
-    Merge 2 nodes together.
-    >>> SkewNode.merge(SkewNode(10),SkewNode(-10.5)).value
-    -10.5
-    >>> SkewNode.merge(SkewNode(10),SkewNode(10.5)).value
-    10
-    >>> SkewNode.merge(SkewNode(10),SkewNode(10)).value
-    10
-    >>> SkewNode.merge(SkewNode(-100),SkewNode(-10.5)).value
-    -100
-    """
-    if not root1:
-        return root2
-
-    if not root2:
-        return root1
-
-    # Use explicit __lt__ method for type safety
-    if root1.value > root2.value:
-        root1, root2 = root2, root1
+        if not root2:
+            return root1
 
-    result = root1
-    temp = root1.right
-    result.right = root1.left
-    result.left = SkewNode.merge(temp, root2)
+        # Use explicit __lt__ method for type safety
+        if root1.value > root2.value:
+            root1, root2 = root2, root1
 
-    return result
+        result = root1
+        temp = root1.right
+        result.right = root1.left
+        result.left = SkewNode.merge(temp, root2)
 
+        return result
 
 class SkewHeap[T]:
     """