Pyforms AttributeError: ‘module’ object has no attribute ‘start_app’

Question

After installing pyforms on my Raspberry Pi 3 i tried running the example i found on readthedocs, but the application is throwing an AttributeError (I tried both python2 and python3)

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Python Code

import pyforms
from   pyforms          import BaseWidget
from   pyforms.Controls import ControlText
from   pyforms.Controls import ControlButton

class SimpleExample1(BaseWidget):

    def __init__(self):
        super(SimpleExample1,self).__init__('Simple example 1')

        #Definition of the forms fields
        self._firstname     = ControlText('First name', 'Default value')
        self._middlename    = ControlText('Middle name')
        self._lastname      = ControlText('Lastname name')
        self._fullname      = ControlText('Full name')
        self._button        = ControlButton('Press this button')


#Execute the application
if __name__ == "__main__":   pyforms.start_app( SimpleExample1 )

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Error:

Traceback (most recent call last):
  File "PiControl.py", line 20, in <module>
    if __name__ == "__main__":   pyforms.start_app( SimpleExample1 )
AttributeError: ‘module’ object has no attribute ‘start_app’

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Edit:

I tried to import start_app manually with

from pyforms.gui.standaloneManager import start_app

but then I get another ImportError:

Traceback (most recent call last):
  File "PiControl.py", line 4, in <module>
    from   pyforms.gui.standaloneManager import start_app
ImportError: cannot import name 'start_app'

Answer 1

This is very strange behavior and possibly means that your installation is broken. Try to install the latest versions from a repo:

pip install -U git+https://github.com/UmSenhorQualquer/pyforms.git 
pip install -U git+https://github.com/UmSenhorQualquer/pysettings.git
pip install -U git+https://bitbucket.org/fchampalimaud/logging-bootstrap.git