Classification Workflow (classic) error message (V 3.9 RC1)

[Henrike Dierkes]

When trying to start the Classification Workflow (Classic) Algo error message:

ImportError: cannot import name 'EnviSpectralLibraryIO' from 'enmapbox.externals.qps.speclib' (C:\Users/PC/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\enmapboxplugin\enmapbox\externals\qps\speclib\__init__.py)

Traceback (most recent call last):
  File "C:\Users\PC\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\enmapboxplugin\enmapbox\coreapps\_classic\__init__.py", line 33, in startGUI
    w = ClassificationWorkflowApp(parent=self.enmapbox.ui)
  File "C:\Users\PC\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\enmapboxplugin\enmapbox\coreapps\_classic\classificationapp\core.py", line 41, in __init__
    self.initClassifier()
  File "C:\Users\PC\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\enmapboxplugin\enmapbox\coreapps\_classic\classificationapp\core.py", line 321, in initClassifier
    from _classic.enmapboxgeoalgorithms.algorithms import ALGORITHMS, ClassifierFit
  File "C:\OSGeo4W/apps/qgis/./python\qgis\utils.py", line 799, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "C:\Users\PC\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\enmapboxplugin\enmapbox\coreapps\_classic\enmapboxgeoalgorithms\algorithms.py", line 6, in 
    from enmapbox.externals.qps.speclib import EnviSpectralLibraryIO
ImportError: cannot import name 'EnviSpectralLibraryIO' from 'enmapbox.externals.qps.speclib' (C:\Users/PC/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\enmapboxplugin\enmapbox\externals\qps\speclib\__init__.py)

Python-Version: 3.9.5 (tags/v3.9.5:0a7dcbd, May  3 2021, 17:27:52) [MSC v.1928 64 bit (AMD64)]
QGIS-Version: 3.20.2-Odense Odense, 9f59a156

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[Andreas Janz]

Benjamin, can you put back the EnviSpectralLibraryIO class for backwards compatibility?

[Andreas Janz]

I hope we can get rid of the app for v3.10, but for now we decided to keep it as the “Classic” version.

[Andreas Janz]

resolves #751

→ <<cset 1812a2c9ca21>>

[Andreas Janz]

Found the problem, two class definitions where moved into lower level submodules.

[Andreas Janz]

Benjamin, maybe the classes wheren’t moved. In that case you may have a circular import problem in your modul (?).

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>>>from enmapbox.externals.qps.speclib import EnviSpectralLibraryIO

Traceback (most recent call last):
  File "D:\miniconda\envs\qgis\lib\code.py", line 90, in runcode
    exec(code, self.locals)
  File "<input>", line 1, in <module>
ImportError: cannot import name 'EnviSpectralLibraryIO' from 'enmapbox.externals.qps.speclib' (D:\source\QGISPlugIns\enmap-box\enmapbox\externals\qps\speclib\__init__.py)

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