fix: correct formatting and add missing newlines in selector and EXAMPLE service

unshackle/core/utils/selector.py

@@ -1,10 +1,12 @@
 import sys
+
 import click
 from rich.console import Group
 from rich.live import Live
 from rich.padding import Padding
 from rich.table import Table
 from rich.text import Text
+
 from unshackle.core.console import console
 
 IS_WINDOWS = sys.platform == "win32"

unshackle/services/EXAMPLE/__init__.py

@@ -325,7 +325,7 @@ class EXAMPLE(Service):
             return response.json().get("license")
         except ValueError:
             return response.content
-          
+
     def get_playready_license(self, *, challenge: bytes, title: Title_T, track: AnyTrack) -> Optional[Union[bytes, str]]:
         license_url = self.config["endpoints"].get("playready_license")
         if not license_url:
@@ -339,4 +339,4 @@ class EXAMPLE(Service):
             },
         )
         response.raise_for_status()
-        return response.content
+        return response.content