cherry-pick 465425c from develop: Get rid of backwardcompat.fwrite() as it doesn't do what it seems to1.4.X

1 files changed, 3 insertions, 1 deletions

diff --git a/pip/log.py b/pip/log.py
index 9eb02b90d..ef68d920f 100644
--- a/pip/log.py
+++ b/pip/log.py
@@ -72,7 +72,9 @@ class Logger(object):
                         rendered = '%02i %s' % (level, rendered)
                 if hasattr(consumer, 'write'):
                     rendered += '\n'
-                    backwardcompat.fwrite(consumer, rendered)
+                    consumer.write(rendered)
+                    if hasattr(consumer, 'flush'):
+                        consumer.flush()
                 else:
                     consumer(rendered)