AllTrends endpoint returning trends with 0 sentiment

Some trends have no sentiment value, they should not show up in the /alltrends endpoint

General
    Request URL:http://senti.social:8080/v1/alltrends
    Request Method:GET
    Status Code:200 OK
    Remote Address:172.93.48.155:8080

Response Headers
    Access-Control-Allow-Origin:*
    Connection:keep-alive
    Content-Length:2586
    Content-Type:application/json; charset=utf-8
    Date:Tue, 07 Mar 2017 12:16:57 GMT
    ETag:W/"a1a-ZqSYqEqJzcCD9/A5lT6J5Q"
    X-Powered-By:Express

Request Headers
    Accept:*/*
    Accept-Encoding:gzip, deflate, sdch
    Accept-Language:en-US,en;q=0.8,ar;q=0.6
    Cache-Control:no-cache
    Connection:keep-alive
    Host:senti.social:8080
    Origin:http://localhost:3000
    Pragma:no-cache
    Referer:http://localhost:3000/
    User-Agent:Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1

{
  "trends":[
    {
      "name":"#PickMeUpIn4Words",
      "sentiment":0.4387755102040816
    },{
      "name":"#Trumpcare",
      "sentiment":0.05000000000000004
    },{
      "name":"#Vault7",
      "sentiment":-0.4100000000000001
    },{
      "name":"#LHHALT",
      "sentiment":-0.44999999999999996
    },{
      "name":"#GOPHealthPlanIn10Words",
      "sentiment":-0.3
    },{
      "name":"Dear Mainstream Media",
      "sentiment":-0.9
    },{
      "name":"#AfterGoodSexI",
      "sentiment":0.22000000000000003
    },{
      "name":"Robert Osborne",
      "sentiment":1.0599999999999998
    },{
      "name":"#INDvsAUS",
      "sentiment":0.9499999999999998
    },{
      "name":"#SlavesAreNotImmigrants",
      "sentiment":-0.5500000000000005
    },{
      "name":"#HellChallenge",
      "sentiment":-0.3300000000000001
    },{
      "name":"#WWEFastlane",
      "sentiment":0.038461538461538464
    },{
      "name":"Wind Advisory",
      "sentiment":-0.06
    },{
      "name":"Scripps National Spelling Bee",
      "sentiment":0.11999999999999998
    },{
      "name":"By 2020",
      "sentiment":0.23000000000000007
    },{
      "name":"#NationalPancakeDay",
      "sentiment":1.5000000000000007
    },{
      "name":"#CaliforniaMovies",
      "sentiment":0.022988505747126436
    },{
      "name":"#TuesdayMotivation",
      "sentiment":1.43
    },{
      "name":"Michelle and Barack Obama",
      "sentiment":1.5199999999999998
    },{
      "name":"Rasheeda",
      "sentiment":-1.3100000000000003
    },{
      "name":"#HaasF1",
      "sentiment":0
    },{
      "name":"#ComicBookBandsOrSongs",
      "sentiment":-0.01
    },{
      "name":"#genevamotorshow",
      "sentiment":0.71
    },{
      "name":"#TravelTuesday",
      "sentiment":1.44
    },{
      "name":"#InvestigateASong",
      "sentiment":-0.13402061855670103
    },{
      "name":"#InclusiveGrowth",
      "sentiment":0.8300000000000002
    },{
      "name":"#ImAtThatAge",
      "sentiment":1.1102230246251566e-18
    },{
      "name":"Tignes",
      "sentiment":-0.36
    },{
      "name":"Iris Martínez",
      "sentiment":0.25
    },{
      "name":"STORM REPORT",
      "sentiment":-0.5700000000000001
    },{
      "name":"Brookline Ave",
      "sentiment":-0.09
    },{
      "name":"The American Health Care Act",
      "sentiment":1.4800000000000002
    },{
      "name":"Smithville",
      "sentiment":-2.16
    },{
      "name":"DEEP STATE UPDATE",
      "sentiment":-0.43
    },{
      "name":"Alexander Graham Bell",
      "sentiment":0.1800000000000001
    },{
      "name":"Tokyo Dome",
      "sentiment":1.2200000000000002
    },{
      "name":"Philippine",
      "sentiment":0.19999999999999996
    },{
      "name":"The Netherlands",
      "sentiment":0.1
    },{
      "name":"ANT-MAN AND THE WASP",
      "sentiment":0.68
    },{
      "name":"#27Daybreak",
      "sentiment":0.94
    },{
      "name":"#bfc530",
      "sentiment":1.53
    },{
      "name":"#AtlantaAlive",
      "sentiment":0.47
    },{
      "name":"#GameTheory",
      "sentiment":0.43000000000000016
    },{
      "name":"#qconlondon",
      "sentiment":1.2800000000000005
    },{
      "name":"#REDALERT",
      "sentiment":-1.44
    },{
      "name":"#BenCarsonLogic",
      "sentiment":-0.7600000000000001
    },{
      "name":"#GimsSwiss",
      "sentiment":0.5900000000000002
    },{
      "name":"#HRC34",
      "sentiment":-1.53
    },{
      "name":"#blackoutday",
      "sentiment":1.75
    },{
      "name":"#TheBachelor",
      "sentiment":0.85
    }
  ]
}

SentiSocial / backend

AllTrends endpoint returning trends with 0 sentiment #36