问Cython found..Please在buildozer中安装错误

EN

(kali㉿kali)-[~/Desktop/KivyApp]
└─$ buildozer android debug                                                               1 ⨯
# Check configuration tokens
# Ensure build layout
# Check configuration tokens
# Read available permissions from api-versions.xml
# Preparing build
# Check requirements for android
# Run 'dpkg --version'
# Cwd None
Debian 'dpkg' package management program version 1.20.7.1 (amd64).
This is free software; see the GNU General Public License version 2 or
later for copying conditions. There is NO warranty.
# Search for Git (git)
#  -> found at /usr/bin/git
# Search for Cython (cython)
# Cython (cython) not found, please install it.
                                                                                              
┌──(kali㉿kali)-[~/Desktop/KivyApp]
└─$ sudo pip uninstall cython              1 ⨯
Found existing installation: Cython 0.29.21
ERROR: Cannot uninstall 'Cython'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.        
                                               
┌──(kali㉿kali)-[~/Desktop/KivyApp]
└─$ sudo apt-get install Cython          100 ⨯
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package Cython
                                                    
┌──(kali㉿kali)-[~/Desktop/KivyApp]
└─$ sudo apt-get install cython          100 ⨯
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Package cython is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'cython' has no installation candidate
                                               
┌──(kali㉿kali)-[~/Desktop/KivyApp]
└─$ sudo pip uninstall cython            100 ⨯
Found existing installation: Cython 0.29.21
ERROR: Cannot uninstall 'Cython'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.