Clarify that __path__ can't be just any value (GH-6554)
diff --git a/Doc/reference/import.rst b/Doc/reference/import.rst
index 45d4172..44b5b81 100644
--- a/Doc/reference/import.rst
+++ b/Doc/reference/import.rst
@@ -616,8 +616,7 @@
module.__path__
---------------
-By definition, if a module has a ``__path__`` attribute, it is a package,
-regardless of its value.
+By definition, if a module has a ``__path__`` attribute, it is a package.
A package's ``__path__`` attribute is used during imports of its subpackages.
Within the import machinery, it functions much the same as :data:`sys.path`,