allow username to be updated by itself

Author: adorton-adobe

umapi_client/functional.py

@@ -175,8 +175,6 @@ def update(self, email=None, username=None, first_name=None, last_name=None, cou
         """
         if username and self.id_type != IdentityTypes.federatedID:
             raise ArgumentError("You cannot set username except for a federated ID")
-        if username and '@' in username and not email:
-            raise ArgumentError("Cannot update email-type username when email is not specified")
         if email and username and email.lower() == username.lower():
             raise ArgumentError("Specify just email to set both email and username for a federated ID")
         updates = {}

umapi_client/version.py

@@ -18,4 +18,4 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-__version__ = "2.21"
+__version__ = "2.22"