HACK: attempt to re-start a plugin if startup fails due to odd "The o…

…peration completed successfully" error

python/utils.py

@@ -421,6 +421,17 @@ def _startPlugin(packageName: str) -> bool:
     # create an instance of the plugin
     try:
         plugins[packageName] = package.classFactory(iface)
+    except OSError as e:
+        if "The operation completed successfully" in str(e):
+            _unloadPluginModules(packageName)
+            try:
+                plugins[packageName] = package.classFactory(iface)
+            except:
+                _unloadPluginModules(packageName)
+                errMsg = QCoreApplication.translate("Python", "Couldn't load plugin '{0}'").format(packageName)
+                msg = QCoreApplication.translate("Python", "{0} due to an error when calling its classFactory() method").format(errMsg)
+                showException(sys.exc_info()[0], sys.exc_info()[1], sys.exc_info()[2], msg, messagebar=True, level=Qgis.Critical)
+                return False
     except:
         _unloadPluginModules(packageName)
         errMsg = QCoreApplication.translate("Python", "Couldn't load plugin '{0}'").format(packageName)