Make it run again

service/conversions/__init__.py

@@ -8,6 +8,7 @@ elsewhere (in which case can be accessed with packs[name])
 """
 
 import pkgutil
+import importlib
 
 # init parent dict
 all = {}
@@ -15,10 +16,9 @@ all = {}
 # init container to store the separate conversion packs in case we need them
 packs = {}
 
-
 prefix = __name__ + "."
 for importer, modname, ispkg in pkgutil.iter_modules(__path__, prefix):
-    conversionPack = __import__(modname, fromlist="dummy")
+    conversionPack = importlib.import_module(modname)
     all.update(conversionPack.CONVERSIONS)
     modname_tail = modname.rsplit('.', 1)[-1]
     packs[modname_tail] = conversionPack.CONVERSIONS