diff --git a/slapos/grid/utils.py b/slapos/grid/utils.py index 0eaa0d1a29f904bd39ed0aa9b22495169eb2a160..882403b1f16e10375a966c2ff66e2d168927b0f3 100644 --- a/slapos/grid/utils.py +++ b/slapos/grid/utils.py @@ -109,8 +109,9 @@ class SlapPopen(subprocess.Popen): line = self.stdout.readline() if line == '' and self.poll() is not None: break - output_lines.append(line) - logger.info(line.rstrip('\n')) + if line: + output_lines.append(line) + logger.info(line.rstrip('\n')) self.output = ''.join(output_lines)