VIC-14254 incorrect user agent reported (#181)

* Reverting to older Python string handling to avoid this issue
* Added python implementation/version information to help debugging

Author: BruceVonK

anki_vector/configure/__main__.py

@@ -30,6 +30,7 @@
 import json
 import os
 from pathlib import Path
+import platform
 import re
 import socket
 import sys
@@ -66,7 +67,10 @@ class Api:
     def __init__(self):
         self._handler = ApiHandler(
             headers={
-                'User-Agent': f'Vector-sdk/{anki_vector.__version__}',
+                'User-Agent': 'Vector-sdk/{} {}/{}'.format(anki_vector.__version__,
+                                                           platform.python_implementation(),
+                                                           platform.python_version(),
+
                 'Anki-App-Key': 'aung2ieCho3aiph7Een3Ei'
             },
             url='https://accounts.api.anki.com/1/sessions'