1 files changed, 7 insertions, 4 deletions
diff --git a/Lib/idlelib/PathBrowser.py b/Lib/idlelib/PathBrowser.py
index d88a48e..ba40719 100644
--- a/Lib/idlelib/PathBrowser.py
+++ b/Lib/idlelib/PathBrowser.py
@@ -1,6 +1,6 @@
 import os
 import sys
-import imp
+import importlib.machinery
 
 from idlelib.TreeWidget import TreeItem
 from idlelib.ClassBrowser import ClassBrowser, ModuleBrowserTreeItem
@@ -70,9 +70,11 @@ class DirBrowserTreeItem(TreeItem):
 
     def listmodules(self, allnames):
         modules = {}
-        suffixes = imp.get_suffixes()
+        suffixes = importlib.machinery.EXTENSION_SUFFIXES[:]
+        suffixes += importlib.machinery.SOURCE_SUFFIXES[:]
+        suffixes += importlib.machinery.BYTECODE_SUFFIXES[:]
         sorted = []
-        for suff, mode, flag in suffixes:
+        for suff in suffixes:
             i = -len(suff)
             for name in allnames[:]:
                 normed_name = os.path.normcase(name)
@@ -92,4 +94,5 @@ def main():
         mainloop()
 
 if __name__ == "__main__":
-    main()
+    from unittest import main
+    main('idlelib.idle_test.test_pathbrowser', verbosity=2, exit=False)