fixed TplinkRouterProvider

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="tplinkrouterc6u",
-    version="5.0.1",
+    version="5.0.2",
     author="Alex Erohin",
     author_email="[email protected]",
     description="TP-Link Router API",

tplinkrouterc6u/client.py

@@ -1440,8 +1440,10 @@ def get_client(host: str, password: str, username: str = 'admin', logger: Logger
         router = TplinkC1200Router(host, password, username, logger, verify_ssl, timeout)
         try:
             router.authorize()
+            return router
         except AuthorizeError as e:
-            logger.error(e.__str__())
+            if logger:
+                logger.error(e.__str__())
             raise ClientException(('Login failed! Please check if your router local password is correct or '
                                    'try to use web encrypted password instead. Check the documentation!'
                                    ))