test spawn

spawn.html

 {% extends "templates/spawn.html" %}
 
+{% set gpus = 0 %}
 
 {% block heading %}
-
-<form enctype="multipart/form-data" id="spawn_form" action="{{url}}" method="post" role="form">
-    {{spawner_options_form | safe}}
-    <br>
-    <div class="feedback-container">
-      <input type="submit" value="Start" class="btn btn-jupyter form-control">
-      <div class="feedback-widget hidden">
-        <i class="fa fa-spinner"></i>
-      </div>
-    </div>
-</form>
-
 <label for="gpus">GPUs</label>
-<input class="form-control input-lg" type="range" name="gpus" value="0" min="0" max="4" oninput="this.nextElementSibling.value = this.value"/>
+<input class="form-control input-lg" type="range" name="gpus" value="{{ gpus }}" min="0" max="4" oninput="this.nextElementSibling.value = this.value"/>
 <output>0</output>  
 <br/>
 <label for="cores">CPUS</label>