diff --git a/src/event_handlers/source_code_event_handler.py b/src/event_handlers/source_code_event_handler.py
index c1192d6..5096793 100644
--- a/src/event_handlers/source_code_event_handler.py
+++ b/src/event_handlers/source_code_event_handler.py
@@ -14,6 +14,10 @@ class SourceCodeEventHandler(EventHandlerBase):
         self.filename = filename
         self.language = map_file_extension_to_language(filename)
         self.process_name = process_name or splitext(filename)[0]
+        self.commands = {
+            'read': self.read_file,
+            'write': self.write_file
+        }
 
         server = xmlrpc.client.ServerProxy(SUPERVISOR_HTTP_URI)
         self.supervisor = server.supervisor
@@ -22,9 +26,7 @@ class SourceCodeEventHandler(EventHandlerBase):
 
     def handle_event(self, anchor, data_json):
         data = data_json['data']
-        command_handlers = {'read':  self.read_file,
-                            'write': self.write_file}
-        command_handlers[data['command']](data_json)
+        self.commands[data['command']](data_json)
         return data_json
 
     def handle_reset(self, data_json):