fix args for graphers

diff --git a/telemeta/views/item.py b/telemeta/views/item.py
index 5ae3f757526b6a50a2a09984bb9940582351c01b..960fe2bc53c6d15b0c230ed7ac3f47824a156834 100644 (file)
--- a/telemeta/views/item.py
+++ b/telemeta/views/item.py
@@ -63,7 +63,7 @@ class ItemBaseMixin(TelemetaBaseMixin):
                                     'extension': encoder.file_extension()})
         return formats
 
-    def get_graphers(self, user):
+    def get_graphers(self):
         graphers = []
         for grapher in self.graphers:
             if grapher.id() == self.default_grapher_id: