bpo-30436: Add missing space in importlib.util.find_spec() error message (GH-7385)

(cherry picked from commit fffeb6f3d66f1c844a9327ffe6e2ad8eae8aeb14)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>
diff --git a/Lib/importlib/util.py b/Lib/importlib/util.py
index 9d0a90d..201e0f4 100644
--- a/Lib/importlib/util.py
+++ b/Lib/importlib/util.py
@@ -96,7 +96,7 @@
                 parent_path = parent.__path__
             except AttributeError as e:
                 raise ModuleNotFoundError(
-                    f"__path__ attribute not found on {parent_name!r}"
+                    f"__path__ attribute not found on {parent_name!r} "
                     f"while trying to find {fullname!r}", name=fullname) from e
         else:
             parent_path = None