android - "ImportError: Cannot import name spawnu" while building apk using kivy -

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i building simple android app using kivy using below code:

from kivy.app import app kivy.uix.label import label kivy.uix.scatter import scatter kivy.uix.floatlayout import floatlayout  class tutorialapp(app):     def build(self):         f = floatlayout()         s = scatter()         l = label(text="hello!",                   font_size=150)          f.add_widget(s)         s.add_widget(l)          return f  if __name__ == "__main__":     tutorialapp().run()

i building code apk using buildozer. wrote 

buildozer android debug

this gave following error:

http://imgur.com/z9tjmhc

how can rectify error.

it seems python or kivy compiler unable import package named spawnu.spawnu part of pexpect package. try 

sudo pip install pexpect sudo pip install pexpect --upgrade

worked me. luck!!


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