If no key is found, generate a new one.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

tools/secure_key/windows.py

@@ -39,6 +39,8 @@ def get_secure_key():
     key = None
     try:
         key = keyring.get_password(DOMAIN, USERNAME)
-    except keyring.errors.KeyringError:
+        if (key is None):
+            raise TypeError
+    except (keyring.errors.KeyringError, TypeError):
         key = generate_secure_key()
     return get_d(key.encode())