AttributeError: 'NoneType' object has no attribute 'addRasterLayer()

[b3ric]

Environment

PlugIn version: 0.4.0

PlugIn installed from:

• http://plugins.qgis.org/
• ZIP from Github
• Built from source

OS:

• Linux
• Windows
• OSX

Expected behavior

Successful rendering of WMS layers.

Actual behavior

While other services work properly, WMS layers are failing to render. The following error occurs as soon as I click on 'Load Data':

Can not load layer: 
<service name>
AttributeError: 'NoneType' object has no attribute 'addRasterLayer()

[wilhelmberg]

@ericmacedob thanks for creating this issue.
I'm able to reproduce, the QGIS API has changed.
Unfortunately I'm a bit short on time at the moment and it might take a while till I get around to fixing it.

---

Note to self:

• problem:

  QGIS-CKAN-Browser/CKAN-Browser/util.py

  Line 360 in 2ff8029

  wms_dlg = QgsProviderRegistry.instance().createSelectionWidget("wms", self.main_win)

• fix: https://qgis.org/pyqgis/3.16/core/QgsProviderRegistry.html#qgis.core.QgsProviderRegistry.createSelectionWidget

[b3ric]

Thank you @wilhelmberg for the prompt response 👍 Looking forward to the fix.