explicit type when (re)assigning to "default"

Author: mgeier

sounddevice.py

@@ -2239,7 +2239,8 @@ def reset(self):
 
 if not hasattr(_ffi, 'I_AM_FAKE'):
     # This object shadows the 'default' class, except when building the docs.
-    default = default()
+    _default_class = default
+    default: _default_class = default()
 
 
 class PortAudioError(Exception):