Installation error

F:\Download\SiamMask-master\SiamMask-master>pip install -r requirements.txt
Collecting Cython==0.29.4 (from -r requirements.txt (line 1))
Using cached https://files.pythonhosted.org/packages/f5/81/d84dabbec043fc4745e58c98e5a90a51ae03defe4454321cbc18da09f86f/Cython-0.29.4-cp37-cp37m-win_amd64.whl
Collecting colorama==0.3.9 (from -r requirements.txt (line 2))
Using cached https://files.pythonhosted.org/packages/db/c8/7dcf9dbcb22429512708fe3a547f8b6101c0d02137acbd892505aee57adf/colorama-0.3.9-py2.py3-none-any.whl
Requirement already satisfied: numpy==1.15.4 in c:\users\administrator\appdata\roaming\python\python37\site-packages (from -r requirements.txt (line 3)) (1.15.4)
Requirement already satisfied: requests==2.21.0 in f:\anaconda3\lib\site-packages (from -r requirements.txt (line 4)) (2.21.0)
Collecting fire==0.1.3 (from -r requirements.txt (line 5))
Using cached https://files.pythonhosted.org/packages/5a/b7/205702f348aab198baecd1d8344a90748cb68f53bdcd1cc30cbc08e47d3e/fire-0.1.3.tar.gz
Collecting torch==0.4.1 (from -r requirements.txt (line 6))
Could not find a version that satisfies the requirement torch==0.4.1 (from -r requirements.txt (line 6)) (from versions: 0.1.2, 0.1.2.post1, 0.1.2.post2)
No matching distribution found for torch==0.4.1 (from -r requirements.txt (line 6))