Issue #27891: Consistently group and sort imports within idlelib modules.

Lib/idlelib/searchengine.py

@@ -1,5 +1,6 @@
 '''Define SearchEngine for search dialogs.'''
 import re
+
 from tkinter import StringVar, BooleanVar, TclError
 import tkinter.messagebox as tkMessageBox
 
@@ -14,6 +15,7 @@ def get(root):
         # This creates a cycle that persists until root is deleted.
     return root._searchengine
 
+
 class SearchEngine:
     """Handles searching a text widget for Find, Replace, and Grep."""
 
@@ -186,6 +188,7 @@ class SearchEngine:
             col = len(chars) - 1
         return None
 
+
 def search_reverse(prog, chars, col):
     '''Search backwards and return an re match object or None.