buildozer: ConfigParser.NoOptionError: No option 'p4a.local_recipes' in section: 'app' (android_new)

I get this error when i debug a simple app with android_new as target:

# Check configuration tokens
# Ensure build layout
# Create directory /home/valerio/PROGETTI/pyTBE/.buildozer/android/platform
# Check configuration tokens
# Preparing build
# Check requirements for android
# Run 'dpkg --version'
# Cwd None
Debian "dpkg", programma di gestione dei pacchetti versione 1.18.4 (amd64).
Questo è software libero; consultare la GNU General Public Licence versione 2
o successiva per le condizioni di copia. NON c'è alcuna garanzia.
# Search for Git (git)
#  -> found at /usr/bin/git
# Search for Cython (cython)
#  -> found at /usr/local/bin/cython
# Search for Java compiler (javac)
#  -> found at /usr/lib/jvm/java-8-openjdk-amd64/bin/javac
# Search for Java keytool (keytool)
#  -> found at /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/keytool
# Install platform
# Run 'git clone -b master --single-branch https://github.com/kivy/python-for-android.git python-for-android-master'
# Cwd /home/valerio/PROGETTI/pyTBE/.buildozer/android/platform
Cloning into 'python-for-android-master'...
# Apache ANT found at /home/valerio/.buildozer/android/platform/apache-ant-1.9.4
# Android SDK found at /home/valerio/.buildozer/android/platform/android-sdk-20
# Android NDK found at /home/valerio/.buildozer/android/platform/android-ndk-r9c
# Check application requirements
# Check garden requirements
# Garden requirements already installed, pass
# Compile platform
Traceback (most recent call last):
  File "/usr/local/bin/buildozer", line 9, in <module>
    load_entry_point('buildozer==0.33.dev0', 'console_scripts', 'buildozer')()
  File "/usr/local/lib/python2.7/dist-packages/buildozer/scripts/client.py", line 13, in main
    Buildozer().run_command(sys.argv[1:])
  File "/usr/local/lib/python2.7/dist-packages/buildozer/__init__.py", line 1028, in run_command
    self.target.run_commands(args)
  File "/usr/local/lib/python2.7/dist-packages/buildozer/target.py", line 90, in run_commands
    func(args)
  File "/usr/local/lib/python2.7/dist-packages/buildozer/target.py", line 100, in cmd_debug
    self.buildozer.prepare_for_build()
  File "/usr/local/lib/python2.7/dist-packages/buildozer/__init__.py", line 183, in prepare_for_build
    self.target.compile_platform()
  File "/usr/local/lib/python2.7/dist-packages/buildozer/targets/android_new.py", line 42, in compile_platform
    local_recipes = self.get_local_recipes_dir()
  File "/usr/local/lib/python2.7/dist-packages/buildozer/targets/android_new.py", line 76, in get_local_recipes_dir
    local_recipes = self.buildozer.config.get('app', 'p4a.local_recipes')
  File "/usr/lib/python2.7/ConfigParser.py", line 618, in get
    raise NoOptionError(option, section)
ConfigParser.NoOptionError: No option 'p4a.local_recipes' in section: 'app'

I use Xubuntu 16.04.1 LST and buildozer 0.33dev

Any idea?