[Bioperl-l] error reading psi 2.5 file from intact using bioperl-network-1.5.2_100

[magnusgeist]

dear all,

trying to read files in psi 2.5 format from intact like this:

my $io = Bio::Network::IO->new(-format => 'psi',
                                                    -source => 'intact',
                                                    -file   =>
'human_small-07.xml');

		my $graph = $io->next_network;

returns the following error: Can't call method "att" on an undefined value
at /vol/pi/lib/perl-5.8.0/Bio/Network/IO/psi.pm line 396.

doing the same with files from dip:

my $io = Bio::Network::IO->new(	-format => 'psi',
                             	-file   => 'Hsapi20070107.mif');
				
my $graph = $io->next_network;	

does not result in any problems.

would be great if one of you could help!
thank you very much in advance.
magnusgeist
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