examples codestyle fixes

examples/callable_provider.py

@@ -1,6 +1,5 @@
 """Callable provider examples."""
 
-
 from objects import AbstractCatalog
 
 from objects.providers import Singleton

examples/concept.py

@@ -1,6 +1,5 @@
 """Concept example of objects catalogs."""
 
-
 from objects import AbstractCatalog
 
 from objects.providers import Singleton

examples/config_provider.py

@@ -1,6 +1,5 @@
 """Config provider examples."""
 
-
 from objects import AbstractCatalog
 
 from objects.providers import Config

examples/delegate.py

@@ -1,6 +1,5 @@
 """Provider delegation example."""
 
-
 from objects import AbstractCatalog
 
 from objects.providers import Singleton

examples/external_dependency.py

@@ -1,6 +1,5 @@
 """External dependency example."""
 
-
 from objects import AbstractCatalog
 
 from objects.providers import Singleton

examples/overrides.py

@@ -1,6 +1,5 @@
 """Override example."""
 
-
 from objects import AbstractCatalog
 from objects import overrides
 

examples/scoped_provider.py

@@ -1,6 +1,5 @@
 """Scoped provider examples."""
 
-
 from objects import AbstractCatalog
 
 from objects.providers import Singleton