[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

data_structures/trie/radix_tree.py

@@ -64,7 +64,7 @@ def insert(self, word: str) -> None:
         """
         # Case 1: If the word is the prefix of the node
         # Solution: We set the current node as leaf
-        
+
         # Case 2: The node has no edges that have a prefix to the word
         # Solution: We create an edge from the current node to a new one
         # containing the word