Moar hound fixes, I guess.

app/lib/session_token.rb

@@ -1,14 +1,14 @@
 # Generates a JSON Web Token (JWT) for a given user. Typically placed in the
 # `Authorization` header, or used a password to gain access to the MQTT server.
 class SessionToken < AbstractJwtToken
-  MUST_VERIFY = 'Verify account first'
+  MUST_VERIFY = "Verify account first"
   DEFAULT_OS = "https://api.github.com/repos/" \
                "farmbot/farmbot_os/releases/latest"
   DEFAULT_FW = "https://api.github.com/repos/FarmBot/farmbot-arduino-firmware/"\
                "releases/latest"
-  OS_RELEASE   = ENV.fetch('OS_UPDATE_SERVER') { DEFAULT_OS }
-  FW_RELEASE   = ENV.fetch('FW_UPDATE_SERVER') { DEFAULT_FW }
-  MQTT         = ENV.fetch('MQTT_HOST')
+  OS_RELEASE   = ENV.fetch("OS_UPDATE_SERVER") { DEFAULT_OS }
+  FW_RELEASE   = ENV.fetch("FW_UPDATE_SERVER") { DEFAULT_FW }
+  MQTT         = ENV.fetch("MQTT_HOST")
   EXPIRY       = 40.days
 
   def self.issue_to(user,

app/mutations/auth/from_jwt.rb

@@ -7,7 +7,7 @@ module Auth
     def execute
       token  = SessionToken.decode!(just_the_token)
       claims = token.unencoded
-      sub    = claims['sub']
+      sub    = claims["sub"]
       case sub
       when Integer then User.find(sub)
       # HISTORICAL CONTEXT: We once used emails as a `sub` field. At the time,

spec/mutations/auth/from_jwt_spec.rb

@@ -3,7 +3,7 @@ require "spec_helper"
 describe Auth::FromJWT do
   let(:user)  { FactoryGirl.create(:user) }
   let(:token) { SessionToken.issue_to(user).encoded }
-  fake = lambda (sub) {
+  fake = -> (sub) {
     AbstractJwtToken.new([{ sub:              sub,
                             iat:              Time.now.to_i,
                             jti:              SecureRandom.uuid,