=2.1.0

Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting matplotlib
  Using cached https://pypi.tuna.tsinghua.edu.cn/packages/22/1c/d5e535b36c1de4eef4205656e76ac993c6d01b62cfdcac579edb63cd82e0/matplotlib-3.5.1-cp38-cp38-manylinux_2_5_x86_64.manylinux1_x86_64.whl (11.3 MB)
Requirement already satisfied: pillow>=6.2.0 in /usr/local/miniconda3/envs/mdetr/lib/python3.8/site-packages (from matplotlib) (8.4.0)
Requirement already satisfied: packaging>=20.0 in /usr/local/miniconda3/envs/mdetr/lib/python3.8/site-packages (from matplotlib) (21.3)
Requirement already satisfied: numpy>=1.17 in /usr/local/miniconda3/envs/mdetr/lib/python3.8/site-packages (from matplotlib) (1.21.2)
Requirement already satisfied: pyparsing>=2.2.1 in /usr/local/miniconda3/envs/mdetr/lib/python3.8/site-packages (from matplotlib) (3.0.7)
Collecting kiwisolver>=1.0.1
  Using cached https://pypi.tuna.tsinghua.edu.cn/packages/d0/2c/c3cba6c1ec54c82bfc56204c712dd2e9b069e2590f78a18841dafbdf2ced/kiwisolver-1.3.2-cp38-cp38-manylinux_2_5_x86_64.manylinux1_x86_64.whl (1.2 MB)
Collecting cycler>=0.10
  Using cached https://pypi.tuna.tsinghua.edu.cn/packages/5c/f9/695d6bedebd747e5eb0fe8fad57b72fdf25411273a39791cde838d5a8f51/cycler-0.11.0-py3-none-any.whl (6.4 kB)
Collecting python-dateutil>=2.7
  Using cached https://pypi.tuna.tsinghua.edu.cn/packages/36/7a/87837f39d0296e723bb9b62bbb257d0355c7f6128853c78955f57342a56d/python_dateutil-2.8.2-py2.py3-none-any.whl (247 kB)
Collecting fonttools>=4.22.0
  Using cached https://pypi.tuna.tsinghua.edu.cn/packages/1d/46/65a58d7b92905e2767000b3f6eb1d0301e9ed7d459d14461075c1db63349/fonttools-4.29.1-py3-none-any.whl (895 kB)
Requirement already satisfied: six>=1.5 in /usr/local/miniconda3/envs/mdetr/lib/python3.8/site-packages (from python-dateutil>=2.7->matplotlib) (1.16.0)
Installing collected packages: python-dateutil, kiwisolver, fonttools, cycler, matplotlib
Successfully installed cycler-0.11.0 fonttools-4.29.1 kiwisolver-1.3.2 matplotlib-3.5.1 python-dateutil-2.8.2