the Spotify API sometimes returns artist names with leading or traili…

…ng spaces that should be stripped

src/graphscraper/spotifyartist.py

@@ -374,8 +374,8 @@ def search_artists_by_name(self, artist_name: str, limit: int = 5) -> List[NameE
         result: List[NameExternalIDPair] = []
         data: List[Dict] = response.json()["artists"]["items"]
         for artist in data:
-            artist = NameExternalIDPair(artist["name"], artist["id"])
-            if artist.name is None or artist.external_id is None:
+            artist = NameExternalIDPair(artist["name"].strip(), artist["id"].strip())
+            if not artist.name or not artist.external_id:
                 raise SpotifyClientError("Name or ID is missing")
             result.append(artist)