Omit bandit security warnings

Author: codingjoe

galahad/celery.py

@@ -13,7 +13,7 @@
 
 def jitter():
     """Return a random number between 0 and 1."""
-    return random.randrange(2)
+    return random.randrange(2)  # nosec
 
 
 def backoff(retries):

galahad/models.py

@@ -213,7 +213,7 @@ def get_graph_svg(cls):
         """
         graph = cls.get_graph()
         graph.format = 'svg'
-        return SafeString(graph.pipe().decode('utf-8'))
+        return SafeString(graph.pipe().decode('utf-8'))  # nosec
 
     def get_instance_graph(self):
         """Return process instance graph."""
@@ -264,7 +264,7 @@ def get_instance_graph_svg(self, output_format='svg'):
         """
         graph = self.get_instance_graph()
         graph.format = output_format
-        return SafeString(graph.pipe().decode('utf-8'))
+        return SafeString(graph.pipe().decode('utf-8'))  # nosec
 
     def save(self, **kwargs):
         if self.pk: