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-rw-r--r--tools/jsrun.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/jsrun.py b/tools/jsrun.py
index 91038f6e..6f77ce51 100644
--- a/tools/jsrun.py
+++ b/tools/jsrun.py
@@ -10,6 +10,7 @@ def timeout_run(proc, timeout, note='unnamed process', full_output=False):
proc.kill() # XXX bug: killing emscripten.py does not kill it's child process!
raise Exception("Timed out: " + note)
out = proc.communicate()
+ out = map(lambda o: '' if o is None else o, out)
return '\n'.join(out) if full_output else out[0]
def run_js(filename, engine=None, args=[], check_timeout=False, stdin=None, stdout=PIPE, stderr=None, cwd=None, full_output=False):