Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
:: [ 09:23:47 ] :: [  BEGIN   ] :: telnet_err is empty :: actually running '! test -s telnet_err'
:: [ 09:23:47 ] :: [   FAIL   ] :: telnet_err is empty (Expected 0, got 1)
Failure caused by missing python2.