Merge pull request tamland#191 from arusahni/master

Add typing to the Playlist and Page classes

tidalapi/artist.py

@@ -196,6 +196,14 @@ def get_radio(self) -> List["Track"]:
             ),
         )
 
+    def items(self) -> list:
+        """The artist page does not supply any items. This only exists for symmetry with
+        other model types.
+
+        :return: An empty list.
+        """
+        return []
+
     def image(self, dimensions: int = 320) -> str:
         """A url to an artist picture.
 

tidalapi/mix.py

@@ -72,7 +72,7 @@ class Mix:
     _retrieved = False
     _items: Optional[List[Union["Video", "Track"]]] = None
 
-    def __init__(self, session: Session, mix_id: str):
+    def __init__(self, session: Session, mix_id: Optional[str]):
         self.session = session
         self.request = session.request
         if mix_id is not None: