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

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

strings/longest_valid_paranthesis.py

@@ -1,32 +1,32 @@
 def longest_valid_paranthesis(self, s: str) -> int:
-        """
-       Returns the length of the longest valid paranthesis
-        >>> longest_valid_paranthesis('(()')
-        2
-        >>> longest_valid_paranthesis(')()())')
-        4
-        >>> longest_valid_paranthesis('')
-        0
-        >>> longest_valid_paranthesis(''(())))((()(()()()())
-        8
-        """
-        stack = []
-        preceeding_matched = 0
-        res = 0
-        for char in s:
-            if char == "(":
-                stack.append(preceeding_matched)
-                preceeding_matched = 0
+    """
+    Returns the length of the longest valid paranthesis
+     >>> longest_valid_paranthesis('(()')
+     2
+     >>> longest_valid_paranthesis(')()())')
+     4
+     >>> longest_valid_paranthesis('')
+     0
+     >>> longest_valid_paranthesis(''(())))((()(()()()())
+     8
+    """
+    stack = []
+    preceeding_matched = 0
+    res = 0
+    for char in s:
+        if char == "(":
+            stack.append(preceeding_matched)
+            preceeding_matched = 0
+        else:
+            if stack:
+                preceeding_matched += 1 + stack.pop()
             else:
-                if stack:
-                    preceeding_matched += 1 + stack.pop()
-                else:
-                    res = max(res, preceeding_matched)
-                    preceeding_matched = 0
-        
-        res = max(res, preceeding_matched)
-        
-        while stack:
-            res = max(res, stack.pop())
-        
-        return res * 2
+                res = max(res, preceeding_matched)
+                preceeding_matched = 0
+
+    res = max(res, preceeding_matched)
+
+    while stack:
+        res = max(res, stack.pop())
+
+    return res * 2