bpo-40334: PEP 617 implementation: New PEG parser for CPython (GH-19503)

Co-authored-by: Guido van Rossum <guido@python.org>
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
diff --git a/Lib/test/test_codeop.py b/Lib/test/test_codeop.py
index 98da26f..f1d74b1 100644
--- a/Lib/test/test_codeop.py
+++ b/Lib/test/test_codeop.py
@@ -2,6 +2,7 @@
    Test cases for codeop.py
    Nick Mathewson
 """
+import sys
 import unittest
 from test.support import is_jython
 
@@ -9,7 +10,6 @@
 import io
 
 if is_jython:
-    import sys
 
     def unify_callables(d):
         for n,v in d.items():
@@ -122,6 +122,7 @@
         av("def f():\n pass\n#foo\n")
         av("@a.b.c\ndef f():\n pass\n")
 
+    @unittest.skipIf(sys.flags.use_peg, "Pegen does not support PyCF_DONT_INPLY_DEDENT yet")
     def test_incomplete(self):
         ai = self.assertIncomplete