Re-work access to pub/priv keys for showing

djangoldp_webpushnotification/admin.py

@@ -7,7 +7,7 @@ class VAPIDKeysetAdmin(DjangoLDPAdmin):
 	readonly_fields = ('public_key_view', 'private_key_view')
 
 	def public_key_view(self, obj):
-		return obj.public_key.tobytes()
+		return obj.public_key
 
 	def private_key_view(self, obj):
 		return obj.private_key.tobytes()

djangoldp_webpushnotification/models.py

@@ -8,7 +8,7 @@ class VAPIDKeyset(models.Model):
 
 	def __str__(self):
 		return "public_key:{}... private_key:{}...".format(
-			self.public_key.tobytes()[:10],
+			self.public_key[:10],
 			self.private_key.tobytes()[:10]
 		)