$ cat bug_fine.py 
if True:
        max (a='a', 'b')
#elif True:
#       pass
else:
        pass
$ python bug_fine.py 
  File "bug_fine.py", line 2
    max (a='a', 'b')
SyntaxError: non-keyword arg after keyword arg
$ cat bug_show.py 
if True:
        max (a='a', 'b')
elif True:
        pass
else:
        pass
$ python bug_show.py 
Exception exceptions.SyntaxError: ('non-keyword arg after keyword arg',
2) in 'garbage collection' ignored
Fatal Python error: unexpected exception during garbage collection
Abort trap
$