fix: AssertionError: Invalid parameter type error in msal-python example (#1396)

Co-authored-by: Anish Ramasekar <anish.ramasekar@gmail.com>

Author: zadigus

examples/msal-python/token_credential.py

@@ -21,7 +21,7 @@ def __init__(self, azure_client_id, azure_tenant_id, azure_authority_host, azure
 
     def get_token(self, *scopes, **kwargs):
         # get the token using the application
-        token = self.app.acquire_token_for_client(scopes)
+        token = self.app.acquire_token_for_client(list(scopes))
         if 'error' in token:
             raise Exception(token['error_description'])
         expires_on = time.time() + token['expires_in']