update

Author: masanorihirano

README.md

@@ -1,4 +1,10 @@
 # qfeval-data
+[![python](https://img.shields.io/badge/python-%3E=3.9,%3C3.12-blue.svg)](https://pypi.org/project/qfeval_data/)
+[![pypi](https://img.shields.io/pypi/v/qfeval_data.svg)](https://pypi.org/project/qfeval_data/)
+[![CI](https://github.com/pfnet-research/qfeval_data/actions/workflows/ci-python.yaml/badge.svg)](https://github.com/pfnet-research/qfeval_data/actions/workflows/ci-python.yaml)
+[![codecov](https://codecov.io/gh/pfnet-research/qfeval-data/graph/badge.svg?token=5A02B1JV7V)](https://codecov.io/gh/pfnet-research/qfeval-data)
+[![downloads](https://img.shields.io/pypi/dm/qfeval_data)](https://pypi.org/project/qfeval_data)
+[![code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 
 qfevalは、Preferred Networks 金融チームが開発している、金融時系列処理のためのフレームワークです。
 データ形式の仕様定義、金融時系列データを効率的に扱うためのクラス/関数群、および金融時系列モデルの評価フレームワークが含まれます。

pyproject.toml

@@ -3,7 +3,9 @@ name = "qfeval_data"
 version = "0.1.0"
 description = "Data structures for quantitative finance"
 readme = "README.md"
-requires-python = ">=3.9,<3.12" # TODO (masanori): Support python 3.12, 3.13 (pandas 2.0.0+). also update CI
+# Don't forget to fix the badge in README.md after changing requires-python
+# TODO (masanori): Support python 3.12, 3.13 (pandas 2.0.0+). also update CI
+requires-python = ">=3.9,<3.12"
 dependencies = [
     "pandas>=1.5.0,<2.0.0",
     "numpy>=1.24.0,<2.0.0",