Fix docstring of SessionBasedScript.new_tasks()

gc3libs/cmdline.py

@@ -2128,20 +2128,7 @@ def pre_run(self):
     def new_tasks(self, extra):
         """
         Iterate over jobs that should be added to the current session.
-        Each item yielded must have the form `(jobname, cls, args,
-        kwargs)`, where:
-
-        * `jobname` is a string uniquely identifying the job in the
-          session; if a job with the same name already exists, this
-          item will be ignored.
-
-        * `cls` is a callable that returns an instance of
-          `gc3libs.Application` when called as `cls(*args, **kwargs)`.
-
-        * `args` is a tuple of arguments for calling `cls`.
-
-        * `kwargs` is a dictionary used to provide keyword arguments
-          when calling `cls`.
+        Each item yielded must be a valid `Task`:class: instance.
 
         This method is called by the default `process_args`:meth:, passing
         `self.extra` as the `extra` parameter.