Identified survey length discrepencies

core/views/scans.py

@@ -195,6 +195,10 @@ def walletslistyear(request, year):
     manywallets = ticksyearwallet(year)
     expeditions = Expedition.objects.all() #bad Django style
     expedition = expeditions.filter(year=year)
+    length_ug = 0.0
+    for w in manywallets:
+        for sb in w.survexblock_set.all():
+            length_ug += sb.legslength
     print("--")
     return render(
         request,
@@ -205,6 +209,7 @@ def walletslistyear(request, year):
             "year": year,
             "expeditions": expeditions,
             "expedition": expedition,
+            "length_ug": length_ug,
         },
     )