```
awight@ores1001:/srv/deployment/ores/deploy$ curl http://localhost:8081/v3/scores/enwiki/123456/drafttopic?features
{
"error": {
"code": "internal server error",
"message": "Traceback (most recent call last):\n File \"./ores/wsgi/routes/v3/util.py\", line 102, in process_score_request\n return format_v3_score_response(score_response)\n File \"./ores/wsgi/routes/v3/util.py\", line 65, in format_v3_score_response\n return util.jsonify({response.context.name: context_doc})\n File \"./ores/wsgi/util.py\", line 21, in jsonify\n return flask_jsonify(normalize_json(doc))\n File \"/srv/deployment/ores/deploy/venv/lib/python3.5/site-packages/flask_jsonpify.py\", line 77, in jsonpify\n return current_app.response_class(__pad(__dumps(*args, **kwargs)),\n File \"/srv/deployment/ores/deploy/venv/lib/python3.5/site-packages/flask_jsonpify.py\", line 30, in __dumps\n indent=indent)\n File \"/srv/deployment/ores/deploy/venv/lib/python3.5/site-packages/flask/json.py\", line 126, in dumps\n rv = _json.dumps(obj, **kwargs)\n File \"/usr/lib/python3.5/json/__init__.py\", line 237, in dumps\n **kw).encode(obj)\n File \"/usr/lib/python3.5/json/encoder.py\", line 200, in encode\n chunks = list(chunks)\n File \"/usr/lib/python3.5/json/encoder.py\", line 429, in _iterencode\n yield from _iterencode_dict(o, _current_indent_level)\n File \"/usr/lib/python3.5/json/encoder.py\", line 403, in _iterencode_dict\n yield from chunks\n File \"/usr/lib/python3.5/json/encoder.py\", line 403, in _iterencode_dict\n yield from chunks\n File \"/usr/lib/python3.5/json/encoder.py\", line 403, in _iterencode_dict\n yield from chunks\n File \"/usr/lib/python3.5/json/encoder.py\", line 403, in _iterencode_dict\n yield from chunks\n File \"/usr/lib/python3.5/json/encoder.py\", line 403, in _iterencode_dict\n yield from chunks\n File \"/usr/lib/python3.5/json/encoder.py\", line 403, in _iterencode_dict\n yield from chunks\n File \"/usr/lib/python3.5/json/encoder.py\", line 436, in _iterencode\n o = _default(o)\n File \"/srv/deployment/ores/deploy/venv/lib/python3.5/site-packages/flask/json.py\", line 83, in default\n return _json.JSONEncoder.default(self, o)\n File \"/usr/lib/python3.5/json/encoder.py\", line 179, in default\n raise TypeError(repr(o) + \" is not JSON serializable\")\nTypeError: array([ 4.96419271e-03, 1.32506789e-01, 5.33425850e-02, 5.65699527e-02,\n -4.18918677e-02, -4.70650656e-02, 1.36600294e-02, -1.15882606e-01,\n -3.08872691e-02, 5.15907689e-02, 8.93780892e-02, -8.38178668e-02,\n 8.50824724e-03, 1.07053522e-01, -1.17251748e-01, 7.95875014e-02,\n -2.15621413e-02, 6.34894120e-02, -5.04471628e-02, -1.58115320e-01,\n 1.57767430e-02, -2.66787880e-03, -3.34147403e-02, 8.47275048e-02,\n 4.91766679e-02, -4.79977256e-02, -9.77857489e-02, 3.64382560e-02,\n -8.11660499e-04, -1.64268895e-02, 5.03347296e-02, -2.01244689e-02,\n -1.87622873e-03, -2.32120982e-02, 3.47761188e-02, -5.96866273e-02,\n 2.45500531e-02, 1.13321940e-02, 7.37534908e-03, -4.53663876e-02,\n -3.63962274e-03, -6.79642527e-02, 8.93124865e-02, -1.71882228e-02,\n -1.15345737e-02, -7.14020311e-02, -8.78317314e-02, 3.14197206e-03,\n -3.79146107e-02, 4.63090863e-02, 1.27461751e-02, -1.56924599e-02,\n -1.31912231e-02, 9.26824202e-03, 3.04413511e-02, -5.00223260e-02,\n -1.41794305e-02, 1.77395469e-02, -5.70303934e-02, -1.12757365e-01,\n -8.30237405e-02, 6.61637156e-02, -3.08211477e-02, -4.61854098e-02,\n 3.22174608e-02, 7.70627741e-02, -7.16349284e-02, 4.04438220e-03,\n -1.25804700e-02, 3.01800109e-02, -2.84568385e-02, -3.40511924e-04,\n 2.54492509e-02, 5.13444867e-02, -7.97932943e-02, -1.06829192e-01,\n 7.12529233e-02, 2.05977590e-02, -2.85888136e-03, 2.63404512e-02,\n 2.85055596e-02, 2.37799527e-02, -1.05091563e-02, 6.02470532e-02,\n -4.29607159e-02, -1.12907544e-01, -9.88833779e-02, 1.29720052e-01,\n 4.54572711e-02, -3.41716566e-03, 1.14826403e-02, -3.38102642e-03,\n -1.38458118e-02, -7.69016199e-02, 6.76515813e-02, -2.79628017e-02,\n 6.10999392e-02, -3.01144249e-02, -8.88222142e-03, -1.39020953e-02,\n 2.17927632e-02, -5.65694173e-02, -2.24365770e-02, 4.83802662e-02,\n 5.35690575e-03, -8.48742033e-02, 6.47082412e-02, -3.95904006e-02,\n 8.84792261e-02, -4.70736320e-02, -7.29562860e-02, 7.26254112e-02,\n -9.92198743e-02, 4.25659983e-03, 7.97600997e-02, 2.51609401e-02,\n 2.52423203e-02, -3.18681148e-03, 6.69290643e-02, 3.06332237e-02,\n -1.19734915e-01, 8.10589707e-03, -3.16119278e-02, 2.06534402e-02,\n 1.06934665e-02, -5.22118284e-03, -5.37754527e-02, -6.17472331e-03,\n 1.67846680e-02, 1.02078622e-01, 2.73777811e-02, -1.17814984e-01,\n -8.82032963e-02, -1.36634592e-02, 1.51025203e-02, -6.47099813e-02,\n 2.85387541e-02, -5.45730591e-02, -6.44240798e-02, 7.04267401e-02,\n -3.75320702e-02, -3.82904588e-02, -2.34289337e-03, -1.78091484e-02,\n -5.02488655e-02, -2.64274196e-02, -2.64318366e-02, -4.23080712e-02,\n -1.62530196e-02, -1.91307737e-02, 1.02815059e-01, 7.72970099e-02,\n -4.59415703e-02, -7.70970395e-04, -2.65687641e-02, -6.39814410e-02,\n -8.96852728e-02, -6.62663422e-02, -1.06286835e-02, -8.67143598e-02,\n 7.39198651e-02, 7.62377287e-02, -1.87302640e-02, -5.85734049e-02,\n -3.28368137e-02, -1.00634190e-01, 2.57600483e-02, -6.11652575e-02,\n 7.27183024e-02, -3.91904597e-02, -2.31938948e-02, -7.77459396e-02,\n -4.33590538e-02, -7.52702680e-02, 8.08057283e-02, 3.94479852e-02,\n 6.47939046e-02, -9.93729976e-02, -1.04073039e-01, -5.41566548e-02,\n -7.94715212e-02, -9.64470579e-02, 3.27817683e-02, 5.56073105e-02,\n -1.89780185e-02, 2.75032980e-03, 6.08916701e-02, -1.91149795e-03,\n 6.79208856e-02, 8.22773984e-02, -3.73529802e-02, -2.39263166e-02,\n 2.44483279e-02, 1.69832999e-02, -2.82889918e-02, 3.06970697e-02,\n 1.14904036e-02, -3.75858775e-02, -4.97479355e-02, -1.09246371e-01,\n 1.68257596e-02, 7.56290503e-02, -6.32377089e-02, -1.16330866e-02,\n -4.41107666e-02, -2.50904853e-02, -9.67865659e-03, -1.32054379e-01,\n -2.43771202e-02, 7.44200589e-05, -3.95925421e-02, -9.57984255e-03,\n -2.94842636e-03, -4.62103057e-02, -1.39320775e-02, 5.91227214e-02,\n 1.32833916e-01, 2.73582057e-02, -1.28467493e-01, -6.46030359e-02,\n -3.85273716e-02, 1.61507590e-02, 1.11779999e-02, -8.50958573e-03,\n 7.15002428e-02, -7.29928268e-02, 3.54946203e-02, 1.66390402e-02,\n 7.21987005e-02, -8.72053180e-02, 4.57499989e-02, -6.16492556e-02,\n -7.01686792e-03, 2.73351837e-02, 4.53726785e-02, 1.76707485e-02,\n 2.37038596e-02, -1.23055441e-02, 1.87535872e-03, -3.73727899e-02,\n 2.36594217e-02, 2.32684487e-02, -1.60230001e-02, -9.11736739e-02,\n -2.32613547e-02, -2.60202508e-04, -8.28849391e-02, -2.62344093e-02,\n -3.99151518e-02, 1.04723479e-03, -9.36185603e-02, 6.07192725e-02,\n -2.97771253e-02, 5.89604963e-02, 5.51479407e-02, -6.89697266e-03,\n 4.24456680e-02, -2.14634946e-02, -7.19728303e-02, 3.88322797e-03,\n 5.79601087e-02, 1.41984371e-02, -4.62999846e-02, 5.99108244e-03,\n 3.67204767e-02, 3.44864025e-02, -1.44773784e-02, -1.15856238e-01,\n -1.12701951e-01, 2.61447304e-02, 1.33045933e-02, 8.67893152e-02,\n 7.56872746e-03, 1.41258909e-02, 6.03297719e-02, -5.26645727e-02,\n -1.74860369e-02, -7.40727207e-02, -6.56888192e-02, 5.51570424e-02,\n -7.51783137e-02, 4.44465771e-03, 7.99581963e-02, 9.06618353e-02,\n 1.75648070e-02, -1.88405556e-02, -4.60376405e-02, 3.39730246e-02,\n 1.42286334e-01, 3.19500304e-02, -8.53967499e-02, -6.34465803e-02,\n -1.27141049e-01, -1.03317395e-02, -1.17444490e-02, -5.00349078e-02,\n -1.03342157e-02, -2.66440542e-02, -1.59285696e-02, 2.77597528e-02]) is not JSON serializable\n"
}
}
```