From da91bb23ba91fd104ca67a52c7a77e8d9765210e Mon Sep 17 00:00:00 2001
From: Casper da Costa-Luis <casper.dcl@physics.org>
Date: Thu, 5 Nov 2015 14:39:57 +0000
Subject: [PATCH] minor bugfix to handle virtual environments and streams
 without `flush` attribute

---
 tqdm/_tqdm.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tqdm/_tqdm.py b/tqdm/_tqdm.py
index e6f72277..c37986f5 100644
--- a/tqdm/_tqdm.py
+++ b/tqdm/_tqdm.py
@@ -177,6 +177,9 @@ def StatusPrinter(file):
     may not work (it will print a new line at each refresh).
     """
     fp = file
+    if not getattr(fp, 'flush', False):  # pragma: no cover
+        fp.flush = lambda: None
+
     last_printed_len = [0]  # closure over mutable variable (fast)
 
     def print_status(s):