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无法在 qgis 3.4.2 中加载 dzetsaka 插件

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无法在 qgis 3.4.2 中加载 dzetsaka 插件

以前它在较低版本的 qgis 中可以正常工作。更新到较新版本后，它就无法正常工作了。

由于调用 classFactory() 方法时出错，无法加载插件“dzetsaka”

AttributeError: module 'pip' has no attribute 'main' 
Traceback (most recent call last):
  File "C:/Users/VVSK/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\dzetsaka\dzetsaka.py", line 54, in 
    from sklearn import datasets
  File "C:/OSGEO4~1/apps/qgis/./python\qgis\utils.py", line 672, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
ModuleNotFoundError: No module named 'sklearn'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:/OSGEO4~1/apps/qgis/./python\qgis\utils.py", line 335, in startPlugin
    plugins[packageName] = package.classFactory(iface)
  File "C:/Users/VVSK/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\dzetsaka\__init__.py", line 35, in classFactory
    from .dzetsaka import dzetsakaGUI
  File "C:/OSGEO4~1/apps/qgis/./python\qgis\utils.py", line 672, in _import
    mod = _builtin_import(name, globals, locals, fromlist, level)
  File "C:/Users/VVSK/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\dzetsaka\dzetsaka.py", line 56, in 
    pip.main(['install','-U' , 'scikit-learn'])
AttributeError: module 'pip' has no attribute 'main'


Python version: 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC v.1914 64 bit (AMD64)] 
QGIS version: 3.4.2-Madeira Madeira, 22034aa070 

Python Path:
C:/Users/VVSK/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\leastcostpath
C:/OSGEO4~1/apps/qgis/./python
C:/Users/VVSK/AppData/Roaming/QGIS/QGIS3\profiles\default/python
C:/Users/VVSK/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins
C:/OSGEO4~1/apps/qgis/./python/plugins
C:\OSGeo4W64\bin\python37.zip
C:\OSGEO4~1\apps\Python37\DLLs
C:\OSGEO4~1\apps\Python37\lib
C:\OSGeo4W64\bin
C:\OSGEO4~1\apps\Python37
C:\OSGEO4~1\apps\Python37\lib\site-packages
C:\OSGEO4~1\apps\Python37\lib\site-packages\win32
C:\OSGEO4~1\apps\Python37\lib\site-packages\win32\lib
C:\OSGEO4~1\apps\Python37\lib\site-packages\Pythonwin
C:/Users/VVSK/AppData/Roaming/QGIS/QGIS3\profiles\default/python
C:/Users/VVSK/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\go2streetview
C:\Users\VVSK\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\go2streetview\res
C:\Users\VVSK\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins
.
C:\Users\VVSK\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\tuflow
C:\Users\VVSK\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\tuflow/forms
C:\Users\VVSK\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\tuflow
C:\Users\VVSK\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\tuflow/forms
C:\Users\VVSK\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\tuflow/forms
C:/Users/VVSK/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\timeseriesviewerplugin
C:\Users\VVSK\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins\timeseriesviewerplugin\site-packages

答案1

我是 Nicolas，dzetsaka 的开发者。

抱歉，这个错误，我刚刚在 12 月进行了更新，以自动安装 sklearn（该库曾经有 Random-Forest、KNN 和 SVM 等算法）。事实上，在某些情况下它不起作用，所以我现在就进行更新，以防止在安装 sklearn 时出现错误（从而无法安装这个很棒的库）。

但是如果您想使用 RF 或 SVM 算法，请阅读此处的操作方法：https://github.com/lennepkade/dzetsaka。

我已将 dzetsaka V3.4.2 提交给 Qgis，因此它应该很快就会在 Qgis 3 中可用。

下次如果您遇到错误，请在此处留言：https://github.com/lennepkade/dzetsaka/issues

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