Change __module__ attribute for containers to point to package, not to submodules

docs/main/changelog.rst

@@ -9,7 +9,13 @@ follows `Semantic versioning`_
 
 Development version
 -------------------
-.. - No features.
+- No features.
+
+3.3.4
+-----
+- Change ``__module__`` attribute for all members of
+  ``dependency_injector.containers`` package to point to package, but not to
+  package modules.
 - Regenerate C sources using Cython 0.25.2.
 
 3.3.3

src/dependency_injector/containers/__init__.py

@@ -14,6 +14,16 @@ from .utils import (
 )
 
 
+# Set package name as a name of module for all public members of this package:
+for item in (DeclarativeContainerMetaClass,
+             DeclarativeContainer,
+             DynamicContainer,
+             is_container,
+             override,
+             copy,):
+    item.__module__ = __name__
+
+
 __all__ = (
     'DeclarativeContainerMetaClass',
     'DeclarativeContainer',