fix warning
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@@ -16,7 +16,7 @@ class Main():
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def run_sys_cmd(self, cmd):
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def run_sys_cmd(self, cmd):
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out, err = subprocess.Popen(cmd, stdin=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
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out, err = subprocess.Popen(cmd, stdin=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
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if err.decode() is not '':
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if err.decode() != '':
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raise SystemError(err.decode())
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raise SystemError(err.decode())
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return out.decode()
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return out.decode()
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