bijoe: flatten Decimal to unicode in JSON export

bijoe/views.py

@@ -1,5 +1,6 @@
 import json
 import datetime
+import decimal
 
 from django.views.generic import TemplateView, FormView
 from django.http import Http404
@@ -127,6 +128,8 @@ class CubeView(CubeMixin, FormView):
                 for measure, cell in zip(ctx['measures'], row[len(ctx['drilldown']):]):
                     if isinstance(cell, datetime.timedelta):
                         cell = cell.days + cell.seconds / 86400.
+                    if isinstance(cell, decimal.Decimal):
+                        cell = float(cell)
                     measures.append({'label': measure.label, 'value': cell})
                 json_data.append({'coords': coords, 'measures': measures})