fix otb icon for provider and algs

otb/OTBAlgorithm.py

@@ -27,7 +27,7 @@ __copyright__ = "(C) 2017,2018 by CS Systemes d'information (CS SI), Centre Nati
 __revision__ = '$Format:%H$'
 
 import os
-pluginPath = os.path.normpath(os.path.join(os.path.split(os.path.dirname(__file__))[0], os.pardir))
+pluginPath = os.path.split(os.path.dirname(__file__))[0]
 
 from qgis.PyQt.QtCore import QCoreApplication
 from qgis.PyQt.QtGui import QIcon
@@ -84,7 +84,7 @@ class OTBAlgorithm(QgsProcessingAlgorithm):
         return True, None
 
     def icon(self):
-        return QIcon(os.path.join(pluginPath, 'images', 'otb.png'))
+        return QIcon(os.path.join(pluginPath, 'otb', 'otb.png'))
 
     def createInstance(self):
         return self.__class__(self._group, self._name, self._descriptionfile)

otb/OTBAlgorithmProvider.py

@@ -299,7 +299,7 @@ class OTBAlgorithmProvider(QgsProcessingProvider):
         return False
 
     def icon(self):
-        return QIcon(os.path.join(pluginPath, 'images', 'otb.png'))
+        return QIcon(os.path.join(pluginPath, 'otb', 'otb.png'))
 
     def tr(self, string, context=''):
         if context == '':