Merge branch 'release/3.14.3' into master

Author: rmk135

docs/main/changelog.rst

@@ -7,6 +7,13 @@ that were made in every particular version.
 From version 0.7.6 *Dependency Injector* framework strictly 
 follows `Semantic versioning`_
 
+3.14.3
+------
+- Fix issue with copying providers that have system streams injections
+ (``sys.stdin``, ``sys.stdout`` and ``sys.stderr``).
+- Add support of six 1.12.0.
+- Regenerate C sources using Cython 0.29.2.
+
 3.14.2
 ------
 - Set Cython ``language_level=2``.

requirements-dev.txt

@@ -1,4 +1,4 @@
-cython==0.29
+cython==0.29.2
 tox
 unittest2
 coverage

requirements.txt

@@ -1 +1 @@
-six>=1.7.0,<=1.11.0
+six>=1.7.0,<=1.12.0

src/dependency_injector/__init__.py

@@ -1,6 +1,6 @@
 """Dependency injector top-level package."""
 
-__version__ = '3.14.2'
+__version__ = '3.14.3'
 """Version number that follows semantic versioning.
 
 :type: str