From 18bf4b547731c946d6c7cfc05955c039e8943706 Mon Sep 17 00:00:00 2001
From: Young <afe.young@gmail.com>
Date: Thu, 8 Apr 2021 03:52:58 +0000
Subject: [PATCH] parameter adjustment

---
 qlib/model/ens/group.py       | 4 ++--
 qlib/workflow/task/collect.py | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/qlib/model/ens/group.py b/qlib/model/ens/group.py
index 9cc5db971..d138b917c 100644
--- a/qlib/model/ens/group.py
+++ b/qlib/model/ens/group.py
@@ -63,7 +63,7 @@ class RollingGroup(Group):
                 grouped_dict.setdefault(key[:-1], {})[key[-1]] = values
         return grouped_dict
 
-    def __init__(self, group_func=None, ens: Ensemble = RollingEnsemble()):
-        super().__init__(group_func=group_func, ens=ens)
+    def __init__(self, group_func=None):
+        super().__init__(group_func=group_func, ens=RollingEnsemble())
         if group_func is None:
             self.group = RollingGroup.rolling_group
diff --git a/qlib/workflow/task/collect.py b/qlib/workflow/task/collect.py
index 63d4a6a04..6b9418daf 100644
--- a/qlib/workflow/task/collect.py
+++ b/qlib/workflow/task/collect.py
@@ -28,19 +28,19 @@ class RecorderCollector(Collector):
     def __init__(
         self,
         exp_name,
-        artifacts_path={"pred": "pred.pkl", "IC": "sig_analysis/ic.pkl"},
         rec_key_func=None,
-        artifacts_key=None,
         rec_filter_func=None,
+        artifacts_path={"pred": "pred.pkl", "IC": "sig_analysis/ic.pkl"},
+        artifacts_key=None,
     ):
         """init RecorderCollector
 
         Args:
             exp_name (str): the name of Experiment
-            artifacts_path (dict, optional): The artifacts name and its path in Recorder. Defaults to {"pred": "pred.pkl", "IC": "sig_analysis/ic.pkl"}.
             rec_key_func (Callable): a function to get the key of a recorder. If None, use recorder id.
-            artifacts_key (str or List, optional): the artifacts key you want to get. If None, get all artifacts.
             rec_filter_func (Callable, optional): filter the recorder by return True or False. Defaults to None.
+            artifacts_path (dict, optional): The artifacts name and its path in Recorder. Defaults to {"pred": "pred.pkl", "IC": "sig_analysis/ic.pkl"}.
+            artifacts_key (str or List, optional): the artifacts key you want to get. If None, get all artifacts.
         """
         self.exp_name = exp_name
         self.artifacts_path = artifacts_path