fix linelint

Author: i-mprovising

longest-substring-without-repeating-characters/i-mprovising.py

@@ -35,4 +35,3 @@ def slidingWindow(self, s):
                 end += 1
                 max_len = max(end - start, max_len)
         return max_len
-

number-of-islands/i-mprovising.py

@@ -29,4 +29,4 @@ def dfs(x, y):
                     dfs(i, j)
                     islands += 1
 
-        return islands
+        return islands