BaseProcessor: add missing 'self'

Author: jonathanperret

src/satosa/micro_services/processors/base_processor.py

@@ -2,5 +2,5 @@ class BaseProcessor(object):
     def __init__(self):
         pass
 
-    def process(internal_data, attribute, **kwargs):
+    def process(self, internal_data, attribute, **kwargs):
         pass