Падает приложение APK собранное buildozer и kivy

При просмотре с помощью buildozer android logcat выдается такое сообщение об ошибке:

08-12 22:59:45.823 31649 31677 I python : Traceback (most recent call last):
08-12 22:59:45.824 31649 31677 I python : File "/home/linux/Desktop/new_copy/.buildozer/android/app/main.py", line 9, in
08-12 22:59:45.825 31649 31677 I python : File "/home/linux/Desktop/new_copy/.buildozer/android/app/streams.py", line 1, in 08-12 22:59:45.826 31649 31677 I python : File "/home/linux/Desktop/new_copy/.buildozer/android/platform/build-armeabi-v7a/build/python-installs/myapp/requests/init.py", line 100, in
08-12 22:59:45.827 31649 31677 I python : File "/home/linux/Desktop/new_copy/.buildozer/android/platform/build-armeabi-v7a/build/python-installs/myapp/requests/init.py", line 85, in check_compatibility
08-12 22:59:45.828 31649 31677 I python : Exception: You need either charset_normalizer or chardet installed
08-12 22:59:45.828 31649 31677 I python : Python for android ended.

Кто что посоветует?