X-Git-Url: http://woldlab.caltech.edu/gitweb/?p=htsworkflow.git;a=blobdiff_plain;f=htsworkflow%2Ffrontend%2Fsamples%2Fmodels.py;h=7f90f2521010c92434084f7afd60e4d055eb466b;hp=f51d250a8e862f7d562080adf0e0857f7f857e44;hb=7685e5132966a386cd4c7d8449097dc3acaedd96;hpb=2cc86ce83af87a20ef9ae5670a926f5fae1b87ae

diff --git a/htsworkflow/frontend/samples/models.py b/htsworkflow/frontend/samples/models.py
index f51d250..7f90f25 100644
--- a/htsworkflow/frontend/samples/models.py
+++ b/htsworkflow/frontend/samples/models.py
@@ -120,8 +120,8 @@ class Library(models.Model):
   library_species = models.ForeignKey(Species)
   # new field 2008 Mar 5, alter table samples_library add column "hidden" NOT NULL default 0;
   hidden = models.BooleanField()
-  cell_line = models.ForeignKey(Cellline, null=True)
-  condition = models.ForeignKey(Condition, null=True)
+  cell_line = models.ForeignKey(Cellline, blank=True, null=True)
+  condition = models.ForeignKey(Condition, blank=True, null=True)
   antibody = models.ForeignKey(Antibody,blank=True,null=True)
   # New field Aug/25/08. SQL: alter table fctracker_library add column "lib_affiliation" varchar(256)  NULL;
   affiliations = models.ManyToManyField(Affiliation,related_name='library_affiliations',null=True)