what is the solution to this problem?

when I write this statement "pip install lexrank" the result is already downloaded, also I restart the program but still, but the result is not found it.

ModuleNotFoundError: No module named 'LexRank' In [2]: pip install lexrank Requirement already satisfied: lexrank in c:\users\asilaa anaconda3\lib\site- packages (0.1.0) Requirement already satisfied: regex>=2017.11.9 in c:\users\asilaa anaconda3\lib \site-packages (from lexrank) (2021.4.4) Requirement already satisfied: scipy>=0.19.0 in c:\users\asilaa anaconda3\lib \site-packages (from lexrank) (1.6.2) Requirement already satisfied: numpy>=1.13.3 in c:\users\asilaa anaconda3\lib \site-packages (from lexrank) (1.20.1) Requirement already satisfied: pyrsistent>=0.14.0 in c:\users\asilaa \anaconda3\lib\site-packages (from lexrank) (0.17.3) Requirement already satisfied: path.py>=10.5 in c:\users\asilaa\anaconda3\lib \site-packages (from lexrank) (12.5.0) Requirement already satisfied: urlextract>=0.7 in c:\users\asilaa anaconda3\lib \site-packages (from lexrank) (1.5.0) Requirement already satisfied: path in c:\users\asilaa anaconda3\lib\site- packages (from path.py>=10.5->lexrank) (15.1.2) Requirement already satisfied: filelock in c:\userslasilaa anaconda3\lib\site- packages (from urlextract>=0.7->lexrank) (3.0.12) Requirement already satisfied: platformdirs in c:\users\asilaa anaconda3\lib \site-packages (from urlextract>=0.7->lexrank) (2.4.1) Requirement already satisfied: uritools in c:\users\asilaa anaconda3\lib\site- packages (from urlextract>=0.7->lexrank) (4.0.0) Requirement already satisfied: idna in c:\users\asilaa anaconda3\lib\site- packages (from urlextract>=0.7->lexrank) (2.10) Note: you may need to restart the kernel to use updated packages. In [3]: |