Merge branch 'release/3.17.1' into master

docs/main/changelog.rst

@@ -7,6 +7,10 @@ that were made in every particular version.
 From version 0.7.6 *Dependency Injector* framework strictly 
 follows `Semantic versioning`_
 
+3.17.1
+------
+- Fix ``DynamicContainer`` deep-copying bug.
+
 3.17.0
 ------
 - Add ``Container`` provider.

src/dependency_injector/__init__.py

@@ -1,6 +1,6 @@
 """Dependency injector top-level package."""
 
-__version__ = '3.17.0'
+__version__ = '3.17.1'
 """Version number that follows semantic versioning.
 
 :type: str

src/dependency_injector/containers.pyx

@@ -62,9 +62,11 @@ class DynamicContainer(object):
 
         copied = self.__class__()
         copied.provider_type = Provider
-        copied.providers = deepcopy(self.providers, memo)
         copied.overridden = deepcopy(self.overridden, memo)
 
+        for name, provider in deepcopy(self.providers, memo).items():
+            setattr(copied, name, provider)
+
         return copied
 
     def __setattr__(self, str name, object value):