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: 
E         + â       is_integer = def is_integer(): Returns   â
E         + â                    True. Exists for duck type  â
E         + â                    compatibility with          â
E         + â                    float.is_integer.           â
This is another error diff snippet. The lines are in the actual output, but not in the expected one. This is indicated by the + characters prepending the lines. There is no matching lines prepended with -, which means the lines were only added, not somehow changed, comparing to the expected output.