[Qemu-block] [PATCH 9/9] iotests.py: use io.StringIO with python3

[Philippe Mathieu-Daudé]

Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
---
 tests/qemu-iotests/iotests.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 4c515d2e6c..0e1b8ab6e6 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -459,13 +459,16 @@ def main(supported_fmts=[], supported_oses=['linux']):
 
     # We need to filter out the time taken from the output so that qemu-iotest
     # can reliably diff the results against master output.
-    import StringIO
     if debug:
         output = sys.stdout
         verbosity = 2
         sys.argv.remove('-d')
     else:
-        output = StringIO.StringIO()
+        try:
+            from StringIO import StringIO
+        except ImportError:
+            from io import StringIO
+        output = StringIO()
 
     logging.basicConfig(level=(logging.DEBUG if debug else logging.WARN))
 
-- 
2.15.1