Revert addonManager

src/Mod/AddonManager/package_list.py

@@ -615,6 +615,13 @@ class PackageListFilter(QtCore.QSortFilterProxyModel):
             if data.status() != Addon.Status.UPDATE_AVAILABLE:
                 return False
 
+        # If it's not installed, check to see if it's Py2 only
+        if (
+            data.status() == Addon.Status.NOT_INSTALLED
+            and self.hide_py2
+            and data.python2
+        ):
+            return False
 
         # If it's not installed, check to see if it's marked obsolete
         if (