diff --git a/src/taskgraph/util/python_path.py b/src/taskgraph/util/python_path.py
index ff7e255e..6119e0ae 100644
--- a/src/taskgraph/util/python_path.py
+++ b/src/taskgraph/util/python_path.py
@@ -2,11 +2,13 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
+import importlib
 import inspect
 import os
+from typing import Callable
 
 
-def find_object(path):
+def find_object(path: str) -> Callable:
     """
     Find a Python object given a path of the form <modulepath>:<objectpath>.
     Conceptually equivalent to
@@ -19,11 +21,11 @@ def find_object(modulepath, objectpath):
         raise ValueError(f'python path {path!r} does not have the form "module:object"')
 
     modulepath, objectpath = path.split(":")
-    obj = __import__(modulepath)
-    for a in modulepath.split(".")[1:]:
-        obj = getattr(obj, a)
+    obj = importlib.import_module(modulepath)
     for a in objectpath.split("."):
         obj = getattr(obj, a)
+
+    assert callable(obj)
     return obj