(dattt) PS D:\0-Stage-code\emprunte> python -V
Python 3.6.2 :: Anaconda, Inc.
(dattt) PS D:\0-Stage-code\emprunte> cd .\DATTT\
(dattt) PS D:\0-Stage-code\emprunte\DATTT> pip install -r requirements.txt
Requirement already satisfied: attr==0.3.2 in d:\0-stage-install\conda\envs\dattt\lib\site-packages (from -r requirements.txt (line 1)) (0.3.2)
Requirement already satisfied: imageio==2.15.0 in d:\0-stage-install\conda\envs\dattt\lib\site-packages (from -r requirements.txt (line 2)) (2.15.0)
Requirement already satisfied: matplotlib==3.3.4 in d:\0-stage-install\conda\envs\dattt\lib\site-packages (from -r requirements.txt (line 3)) (3.3.4)
ERROR: Could not find a version that satisfies the requirement mmcv==2.1.0 (from versions: 0.2.0, 0.2.1, 0.2.2, 0.2.3, 0.2.4, 0.2.5, 0.2.6, 0.2.7, 0.2.8, 0.2.9, 0.2.10, 0.2.11, 0.2.12, 0.2.13, 0.2.14, 0.2.15, 0.2.16, 0.3.0, 0.3.1, 0.3.2, 0.4.0, 0.4.2, 0.4.3, 0.4.4, 0.5.0, 0.5.1, 0.5.2, 0.5.3, 0.5.4, 0.5.5, 0.5.6, 0.5.7, 0.5.8, 0.5.9, 0.6.0, 0.6.1, 0.6.2, 1.0rc0, 1.0rc2, 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.1.6, 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5, 1.2.6, 1.2.7, 1.3.0, 1.3.1, 1.3.3, 1.3.4, 1.3.5, 1.3.6, 1.3.7, 1.3.8, 1.3.9, 1.3.10, 1.3.11, 1.3.12, 1.3.13, 1.3.14, 1.3.15, 1.3.16, 1.3.17, 1.3.18, 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.4.8, 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.6.0, 1.6.1, 1.6.2, 1.7.0, 1.7.1, 1.7.2, 2.0.0rc1, 2.0.0rc2, 2.0.0rc3)
ERROR: No matching distribution found for mmcv==2.1.0