Update show_album.py

Import SpotifyClientCredentials from spotipy.oauth2

examples/show_album.py

@@ -2,6 +2,7 @@
 # shows album info for a URN or URL
 
 import spotipy
+from spotipy.oauth2 import SpotifyClientCredentials
 import sys
 import pprint
 
@@ -11,6 +12,7 @@ else:
     urn = 'spotify:album:5yTx83u3qerZF7GRJu7eFk'
 
 
-sp = spotipy.Spotify()
+client_credentials_manager = SpotifyClientCredentials()
+sp = spotipy.Spotify(client_credentials_manager=client_credentials_manager)
 album = sp.album(urn)
 pprint.pprint(album)