Merge pull request #145 from vit-/iobuffer-flush

Fix #113. Add flush() method to IOBuffer

bonobo/ext/console.py

@@ -23,6 +23,9 @@ class IOBuffer():
         finally:
             previous.close()
 
+    def flush(self):
+        self.current.flush()
+
 
 class ConsoleOutputPlugin(Plugin):
     """