Add flush() method to fake file.

diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 431863ef87962bee45fb8b71f260dfa7d82c6347..ea4f4cedd0130d5a126e52dce8218275c7d40483 100755 (executable)
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -171,6 +171,9 @@ class Compare:
            raise test_support.TestFailed, \
                    'Writing: '+`data`+', expected: '+`expected`
 
+    def flush(self):
+       pass
+
     def close(self):
        leftover = self.fp.read()
        if leftover: