Search bar can't accept an empty search entry, url still vulnerable against...

Search bar can't accept an empty search entry, url still vulnerable against manuallly changing search term into " "

search/views.py

 from django.shortcuts import render, redirect, get_object_or_404
-
+from django.http import HttpResponse
 from core.models import *
 from core import exthook
 
 def search(request):
 	type = request.GET.get('searchtype', '')
 	term = request.GET.get('search', '')
-	artistAlbums = Album.objects.filter(artist__name__contains = term)
 	
+	# doesn't work against spaces
+	if not term:
+		return HttpResponse(status=500)
+	
+	artistAlbums = Album.objects.filter(artist__name__contains = term)
 	if type == 'song':
 		results = Song.objects.filter(song_name__contains = term)
 	elif type == 'album':
 		results = Album.objects.filter(album_name__contains = term)
 	elif type == 'artist':
 		results = Artist.objects.filter(name__contains = term)
-
 	context = {
 		'type': type,
 		'term': term,

templates/base.html

@@ -27,7 +27,7 @@
                <form action="{% url 'search' %}" method="get">
                          <div class="wrap">
                            <div class="search">
-                            <input type="text" class="w3-bar-item w3-input w3-black" name="search" placeholder="Search..">
+                            <input id="searchbarinput" type="text" class="w3-bar-item w3-input w3-black" name="search" placeholder="Search.." required>
                             <input id="searchbytype" type="hidden" name="searchtype" value="album">
                            <button class="w3-bar-item w3-button w3-green"> <i class="fa fa-search" aria-hidden="true"></i></button>
                            </div>