From 6e087116227079770fc2653bb2d97bc3ccfff2ff Mon Sep 17 00:00:00 2001
From: Weeble <clockworksaint@gmail.com>
Date: Sun, 19 Oct 2014 18:06:19 +0100
Subject: [PATCH] Flush all subprocess output before exit

Subprocesses write to stdout. They must flush their output before the
main process exits to avoid losing output or confusing the calling
program.
---
 flake8/reporter.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/flake8/reporter.py b/flake8/reporter.py
index 8306055..9a14602 100644
--- a/flake8/reporter.py
+++ b/flake8/reporter.py
@@ -74,6 +74,9 @@ class BaseQReport(pep8.BaseReport):
         except KeyboardInterrupt:
             pass
         finally:
+            # ensure all output is flushed before main process continues
+            sys.stdout.flush()
+            sys.stderr.flush()
             self.result_queue.put(self.get_state())
 
     def get_state(self):