Fixed improper retrieval of value from API JSON

.gitignore

@@ -4,5 +4,5 @@ db.sqlite3
 .idea/
 .vscode/*
 
-spotify-keys.sh
+api-keys.sh
 Pipfile

spotifyvis/views.py

@@ -169,7 +169,7 @@ def parse_library(headers, tracks):
             num_samples += 1 
             get_track_info(track_dict['track'])
             #  get_genre(headers, track_dict['track']['album']['id'])
-            audio_features_dict = get_audio_features(headers, track_dict['id'])
+            audio_features_dict = get_audio_features(headers, track_dict['track']['id'])
             for feature, feature_data in audio_features_dict.items():
                 update_audio_feature_stats(feature, feature_data, num_samples)
             for artist_dict in track_dict['track']['artists']:
@@ -335,4 +335,4 @@ def calculate_genres_from_artists(headers):
         for genre in artist_response['genres']:
             increase_nested_key('genres', genre, artist_entry['count'])
 
-#  }}} calculate_genres_from_artists # 
+#  }}} calculate_genres_from_artists #