or download this
------------- EXCEPTION -------------
MSG: Failed validation of sequence '[unidentified sequence]'. Invalid
+characters were:
...
STACK Bio::Seq::new /Users/karl/perl5/perlbrew/perls/perl-5.24.1thread
+s/lib/site_perl/5.24.1/Bio/Seq.pm:496
STACK toplevel ./bio.pl:16
-------------------------------------