fix

Author: Wulian233

Lib/idlelib/replace.py

@@ -87,11 +87,11 @@ def find_it(self, event=None):
         self.do_find(False)
 
     def replace_it(self, event=None): 
-         """Only used in test case
+        """Only used in test case
   
-         If the find is successful, then perform replace. 
-         """ 
-         if self.do_find(self.ok):
+        If the find is successful, then perform replace. 
+        """ 
+        if self.do_find(self.ok):
             self.do_replace()
 
     def default_command(self, event=None):