Change active experiments format in Experiments ETL

etl/experiments.kp/REVISION

@@ -1 +1 @@
-8
+9

etl/experiments.kp/knowledge.md

@@ -6,7 +6,7 @@ tags:
 - experiment
 - firefox
 created_at: 2017-02-01 00:00:00
-updated_at: 2017-02-08 16:14:29.584240
+updated_at: 2017-02-09 12:39:55.049642
 tldr: 'We take all the pings from yesterday, get the information about any experiments:
   those that started, those running, and those that ended. These are aggregated by
   channel and outputted to files in s3.'
@@ -148,7 +148,7 @@ def write_aggregate(agg, date, filename_prefix='experiments'):
         }
         for exp_id, experiment in channel['experiments'].iteritems():
             d["experiments"][exp_id] = {
-                "active": experiment['active'].items(),
+                "active": experiment['active'],
                 "activations": experiment['EXPERIMENT_ACTIVATION'].items(),
                 "terminations": experiment['EXPERIMENT_TERMINATION'].items() 
             }

etl/experiments.kp/orig_src/ExperimentJob.ipynb

@@ -188,7 +188,7 @@
     "        }\n",
     "        for exp_id, experiment in channel['experiments'].iteritems():\n",
     "            d[\"experiments\"][exp_id] = {\n",
-    "                \"active\": experiment['active'].items(),\n",
+    "                \"active\": experiment['active'],\n",
     "                \"activations\": experiment['EXPERIMENT_ACTIVATION'].items(),\n",
     "                \"terminations\": experiment['EXPERIMENT_TERMINATION'].items() \n",
     "            }\n",