cython bug fixes

tests/run.py

@@ -132,9 +132,7 @@ if __name__ == "__main__":
 
     print('\nPlease note, the following phenomena are not bugs:')
     print('  1. Some doctests may fail on Windows, due to different file-separators.')
-    print('  2. Some doctests may fail with Python 3.5, because in Python 3.5 the order '
-          'of entries in a dictionary is undetermined.')
-    print('  3. Some tests end with OSError("handle already closed") on pypy3.6, 3.7. '
+    print('  2. Some tests end with OSError("handle already closed") on pypy3.6, 3.7. '
           'This seems to be a python < 3.9 bug. See: pypy3 scratch/process_pool_doc_examples.py')
 
     os.chdir(cwd)