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Fix shared task dict BUG #576

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Aug 25, 2021
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Fix shared task dict BUG #576

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4 changes: 2 additions & 2 deletions qlib/workflow/task/gen.py
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Original file line number Diff line number Diff line change
Expand Up @@ -162,8 +162,7 @@ def gen_following_tasks(self, task: dict, test_end: pd.Timestamp) -> List[dict]:
List[dict]:
the following tasks of `task`(`task` itself is excluded)
"""
t = copy.deepcopy(task)
prev_seg = t["dataset"]["kwargs"]["segments"]
prev_seg = task["dataset"]["kwargs"]["segments"]
while True:
segments = {}
try:
Expand All @@ -184,6 +183,7 @@ def gen_following_tasks(self, task: dict, test_end: pd.Timestamp) -> List[dict]:
break

prev_seg = segments
t = copy.deepcopy(task) # deepcopy is necessary to avoid modify task inplace
self._update_task_segs(t, segments)
yield t

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