Resolve rest-client form multivalue []

lib/pkparse/client.rb

@@ -1,28 +1,18 @@
+# frozen_string_literal: true
+
 require 'rest-client'
 
 module PKParse
   class Client
     def parse(files)
-      response = RestClient.post("#{PKParse.service_url}/parse", form_key(files) => files, multipart: true)
+      response = RestClient.post("#{PKParse.service_url}/parse", pkmn: files, multipart: true)
       response = JSON.parse(response, symbolize_keys: true)
 
       PKParse::Response.new(response)
     rescue RestClient::Exception => e
       raise PKParse::ResponseError.new(e)
     rescue JSON::ParserError => e
-      raise PKParse::Error.new(e, "Received invalid parse response")
-    end
-
-    private
-
-    def form_key(files)
-      # RestClient will add brackets to array form values, but go-pkparse-server
-      # expects brackets regardless of multivalue or not.
-      if files.size > 1
-        "pkmn"
-      else
-        "pkmn[]"
-      end
+      raise PKParse::Error.new(e, 'Received invalid parse response')
     end
   end
 end