Bump version to 3.21.1

README.rst

@@ -113,6 +113,7 @@ Running such container looks like this:
         """Create and return Flask application."""
         container = ApplicationContainer()
         container.config.from_yaml('config.yml')
+        container.config.github.auth_token.from_env('GITHUB_TOKEN')
 
         app = container.app()
         app.container = container

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`_
 
+3.21.0
+------
+- Hotfix ``ghnav-flask`` example to read Github token from environment variable.
+
 3.21.0
 ------
 - Re-design ``Flask`` integration.

examples/miniapps/ghnav-flask/githubnavigator/application.py

@@ -7,6 +7,7 @@ def create_app():
     """Create and return Flask application."""
     container = ApplicationContainer()
     container.config.from_yaml('config.yml')
+    container.config.github.auth_token.from_env('GITHUB_TOKEN')
 
     app = container.app()
     app.container = container

src/dependency_injector/__init__.py

@@ -1,6 +1,6 @@
 """Dependency injector top-level package."""
 
-__version__ = '3.21.0'
+__version__ = '3.21.1'
 """Version number that follows semantic versioning.
 
 :type: str