Don't attempt to save xml for a matrix in firecrest if it wasn't created.

since we're now creating it in bustard for greater than pipeleine 1.1

diff --git a/htsworkflow/pipelines/firecrest.py b/htsworkflow/pipelines/firecrest.py
index bcac6edd668810dc0bed9d7286751a71d157b074..e8d0a2898c0c4d5621732a2fd0abdb5778dcdfd1 100644 (file)
--- a/htsworkflow/pipelines/firecrest.py
+++ b/htsworkflow/pipelines/firecrest.py
@@ -70,8 +70,9 @@ class Firecrest(object):
         run_date.text = str(self.time)
         user = ElementTree.SubElement(root, Firecrest.USER)
         user.text = self.user
-        matrix = ElementTree.SubElement(root, Firecrest.MATRIX)
-        matrix.text = self.matrix
+        if self.matrix is not None:
+            matrix = ElementTree.SubElement(root, Firecrest.MATRIX)
+            matrix.text = self.matrix
         return root
 
     def set_elements(self, tree):