[pre-commit.ci] pre-commit autoupdate (AI4Finance-Foundation#1163)

* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black: 23.12.1 → 24.1.1](psf/black@23.12.1...24.1.1)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: pre-commit-ci[bot]

.pre-commit-config.yaml

@@ -21,7 +21,7 @@ repos:
       - id: pyupgrade
         args: [--py37-plus]
   - repo: https://github.com/psf/black
-    rev: 23.12.1
+    rev: 24.1.1
     hooks:
       - id: black
   - repo: https://github.com/PyCQA/flake8

finrl/agents/elegantrl/models.py

@@ -1,6 +1,7 @@
 """
 DRL models from ElegantRL: https://github.com/AI4Finance-Foundation/ElegantRL
 """
+
 from __future__ import annotations
 
 import torch

finrl/agents/portfolio_optimization/models.py

@@ -2,6 +2,7 @@
 DRL models to solve the portfolio optimization task with reinforcement learning.
 This agent was developed to work with environments like PortfolioOptimizationEnv.
 """
+
 from __future__ import annotations
 
 from .algorithms import PolicyGradient

finrl/meta/data_processors/processor_yahoofinance.py

@@ -1,4 +1,5 @@
 """Reference: https://github.com/AI4Finance-LLC/FinRL"""
+
 from __future__ import annotations
 
 import datetime

finrl/meta/env_portfolio_optimization/env_portfolio_optimization.py

@@ -1,4 +1,5 @@
 """From FinRL https://github.com/AI4Finance-LLC/FinRL/tree/master/finrl/env"""
+
 from __future__ import annotations
 
 import math

finrl/meta/preprocessor/tusharedownloader.py

@@ -1,6 +1,7 @@
 """Contains methods and classes to collect data from
 tushare API
 """
+
 from __future__ import annotations
 
 import pandas as pd

finrl/meta/preprocessor/yahoodownloader.py

@@ -1,6 +1,7 @@
 """Contains methods and classes to collect data from
 Yahoo Finance API
 """
+
 from __future__ import annotations
 
 import pandas as pd