3.11.0
## Configuration
```yaml
sensor:
- platform: email
email: !secret mailman_user
password: !secret mailman_pass
imap_server: !secret mailman_server
days_old: "3"
```
## Describe the bug
An error is logged every few seconds per below. Sensor still appears to be functional.
## Debug log
2023-06-20 19:41:00.547 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:00.640 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:00.657 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:00.753 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:00.837 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:00.917 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:00.981 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:00.997 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:01.016 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:01.037 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:01.052 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:01.064 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:01.115 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:01.132 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:01.146 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:01.159 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:01.176 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:01.227 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:01.242 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:01.259 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
2023-06-20 19:41:01.272 ERROR (SyncWorker_6) [custom_components.email.sensor] generic error: can only concatenate list (not "tuple") to list
Version of the custom_component
3.11.0 ## Configuration ```yaml sensor: - platform: email email: !secret mailman_user password: !secret mailman_pass imap_server: !secret mailman_server days_old: "3" ``` ## Describe the bug An error is logged every few seconds per below. Sensor still appears to be functional. ## Debug log