chore: format user agent string for improved readability

Author: jimmyn

Monei/monei_client.py

@@ -16,8 +16,10 @@
 from Monei.api_client import ApiClient
 from Monei.exceptions import ApiException
 
-
-DEFAULT_USER_AGENT = f"MONEI/Python/{Monei.__version__} (Python v{sys.version_info.major}.{sys.version_info.minor}.{sys.version_info.micro})"
+DEFAULT_USER_AGENT = (
+    f"MONEI/Python/{Monei.__version__} "
+    f"(Python v{sys.version_info.major}.{sys.version_info.minor}.{sys.version_info.micro})"
+)
 
 
 class MoneiClient(object):