769a92cab2445edae6ab5209e93162c1e7036dee
angie
  Thu Apr 30 11:59:54 2020 -0700
Make sure python doesn't gak if no submitting_lab is provided for some sample. refs #25188

diff --git src/hg/utils/otto/nextstrainNcov/nextstrain.py src/hg/utils/otto/nextstrainNcov/nextstrain.py
index d22e03a..038cf16 100755
--- src/hg/utils/otto/nextstrainNcov/nextstrain.py
+++ src/hg/utils/otto/nextstrainNcov/nextstrain.py
@@ -196,35 +196,39 @@
             addDatesToClade(clades[cladeName], nodeAttrs['num_date'])
             if (nodeAttrs.get('country')):
                 addCountryToClade(clades[cladeName], nodeAttrs['country'])
             elif (nodeAttrs.get('division')):
                 addCountryToClade(clades[cladeName], nodeAttrs['division'])
             else:
                 warn('No country or division for new clade ' + cladeName)
             cladeNodes[cladeName] = branch
     kids = branch.get('children')
     if (kids):
         for child in kids:
             rUnpackNextstrainTree(child, branchVariants, branchVarStr);
     else:
         for varName in branchVariants:
             variantCounts[varName] += 1
+        if (nodeAttrs.get('submitting_lab')):
+            lab = nodeAttrs['submitting_lab']['value']
+        else:
+            lab = ''
         samples.append({ 'id': nodeAttrs['gisaid_epi_isl']['value'],
                          'name': branch['name'],
                          'clade': nodeAttrs['clade_membership']['value'],
                          'date': numDateToMonthDay(nodeAttrs['num_date']['value']),
-                         'lab': nodeAttrs['submitting_lab']['value'],
+                         'lab': lab,
                          'variants': branchVariants,
                          'varStr': branchVarStr })
 
 rUnpackNextstrainTree(ncov['tree'], {}, '')
 
 def sampleName(sample):
     return '|'.join([sample['id'], sample['name'], sample['date']])
 
 sampleCount = len(samples)
 sampleNames = [ sampleName(sample)  for sample in samples ]
 
 # Parse variant names like 'G11083T' into pos and alleles; bundle in VCF column order
 parsedVars = []
 for varName in variantCounts.keys():
     m = snvRe.match(varName)