[Web] Fix peers tab failing to set flag location

The request.country returns bytes not a string so decode.

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 2.0.3 (WiP)
+
+### Web UI
+
+- Fix TypeError in Peers Tab setting country flag.
+
 ## 2.0.2 (2019-06-08)
 
 ### Packaging

deluge/ui/web/server.py

@@ -202,7 +202,8 @@ class Flag(resource.Resource):
         return self
 
     def render(self, request):
-        path = ('ui', 'data', 'pixmaps', 'flags', request.country.lower() + '.png')
+        flag = request.country.decode('utf-8').lower() + '.png'
+        path = ('ui', 'data', 'pixmaps', 'flags', flag)
         filename = common.resource_filename('deluge', os.path.join(*path))
         if os.path.exists(filename):
             request.setHeader(