Update longest-happy-prefix.py

Author: kamyu104

Python/longest-happy-prefix.py

@@ -9,7 +9,7 @@ def longestPrefix(self, s):
         :rtype: str
         """
         def getPrefix(pattern):
-            prefix = [-1] * len(pattern)
+            prefix = [-1]*len(pattern)
             j = -1
             for i in xrange(1, len(pattern)):
                 while j != -1 and pattern[j+1] != pattern[i]:
@@ -37,7 +37,6 @@ def check(l, s):
             for i in xrange(l):
                 if s[i] != s[len(s)-l+i]:
                     return False
-
             return True
 
         result, prefix, suffix, power = 0, 0, 0, 1