Buildozer failed to execute the last command python

Пытаюсь превратить kivy-проект в .apk. Для этого использую buildozer. При использовании buildozer android debug выдает ошибку:

# Check configuration tokens
# Ensure build layout
# Create directory /home/lyonya/Python_Android/bin
# Check configuration tokens
# Preparing build
# Check requirements for android
# Run 'dpkg --version'
# Cwd None
Debian 'dpkg' package management program version 1.19.0.5 (i386).
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)
#  -> found at /home/lyonya/.local/bin/cython
# Search for Java compiler (javac)
#  -> found at /usr/lib/jvm/java-8-openjdk-i386/bin/javac
# Search for Java keytool (keytool)
#  -> found at /usr/lib/jvm/java-11-openjdk-i386/bin/keytool
# Install platform
# Run "/usr/bin/python3 -m pip install -q --user 'appdirs' 'colorama>=0.3.3' 'jinja2' 'six'"
# Cwd None
WARNING: You are using pip version 20.2.3; however, version 20.2.4 is available.
You should consider upgrading via the '/usr/bin/python3 -m pip install --upgrade pip' command.
# Apache ANT found at /home/lyonya/.buildozer/android/platform/apache-ant-1.9.4
# Android SDK found at /home/lyonya/.buildozer/android/platform/android-sdk-20
# Android NDK found at /home/lyonya/.buildozer/android/platform/android-ndk-r9c
# Check application requirements
# Check garden requirements
# Compile platform
# Run '/usr/bin/python3 -m pythonforandroid.toolchain create --dist_name=myapp --bootstrap=sdl2 --requirements=python3,kivy --arch armeabi-v7a --copy-libs --color=always --storage-dir="/home/lyonya/Python_Android/.buildozer/android/platform/build"'
# Cwd /home/lyonya/Python_Android/.buildozer/android/platform/python-for-android-new-toolchain
[INFO]:    Will compile for the following archs: armeabi-v7a
[INFO]:    Found Android API target in $ANDROIDAPI
[INFO]:    Available Android APIs are (19)
[INFO]:    Requested API target 19 is available, continuing.
[INFO]:    Found NDK dir in $ANDROIDNDK
[INFO]:    Got NDK version from $ANDROIDNDKVER
[INFO]:    Using Google NDK r9c
[INFO]:    Found virtualenv at /home/lyonya/.local/bin/virtualenv
[INFO]:    Found the following toolchain versions: ['4.6', '4.8', 'clang3.3']
[INFO]:    Picking the latest gcc toolchain, here 4.8
[INFO]:    No existing dists meet the given requirements!
[INFO]:    No dist exists that meets your requirements, so one will be built.
[ERROR]:   Didn't find any valid dependency graphs.
[ERROR]:   This means that some of your requirements pull in conflicting dependencies.
[ERROR]:   Exiting.
# Command failed: /usr/bin/python3 -m pythonforandroid.toolchain create --dist_name=myapp --bootstrap=sdl2 --requirements=python3,kivy --arch armeabi-v7a --copy-libs --color=always --storage-dir="/home/lyonya/Python_Android/.buildozer/android/platform/build"
# 
# Buildozer failed to execute the last command
# The error might be hidden in the log above this error
# Please read the full log, and search for it before
# raising an issue with buildozer itself.
# In case of a bug report, please add a full log with log_level = 2

Побывал на 20 страницах - ничего не помогло. На всякий случай скажу: в spec файле и так стоит log_level=2, так что можете этого не советовать.