core: Keymitt MicroBot Push error

The problem

Since last HA release, “Keymitt MicroBot Push” not always respond and 3 errors into the log

What version of Home Assistant Core has the issue?

2024.2.0b7

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant Supervised

Integration causing the issue

Keymitt MicroBot Push

Link to integration documentation on our website

https://rc.home-assistant.io/integrations/keymitt_ble

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

Logger: py.warnings
Source: components/keymitt_ble/switch.py:50
First occurred: 17:58:57 (3 occurrences)
Last logged: 18:04:50

/usr/local/lib/python3.12/site-packages/microbot/__init__.py:240: RuntimeWarning: coroutine 'MicroBotApiClient.is_connected' was never awaited if self.is_connected():

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Logger: microbot
Source: components/keymitt_ble/switch.py:55
First occurred: 18:00:02 (16 occurrences)
Last logged: 18:04:43

Failed to set token: Characteristic {char_specifier} was not found!
Failed to push: Characteristic {char_specifier} was not found!
Failed to set token: Peripheral D6:DE:71:E3:3F:9C changed connection status while waiting for BluetoothGATTWriteResponse, BluetoothGATTErrorResponse: Unknown error (0)
Peripheral D6:DE:71:E3:3F:9C changed connection status while waiting for BluetoothGATTNotifyResponse, BluetoothGATTErrorResponse: Unknown error (22)
Bluetooth GATT Error address=D6:DE:71:E3:3F:9C handle=23 error=-1 description=Not connected

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Logger: microbot
Source: components/keymitt_ble/switch.py:50
First occurred: 18:02:32 (5 occurrences)
Last logged: 18:04:43

'bool' object is not callable
Failed to push: Peripheral D6:DE:71:E3:3F:9C changed connection status while waiting for BluetoothGATTWriteResponse, BluetoothGATTErrorResponse: Unknown error (0)
Failed to set token: Peripheral D6:DE:71:E3:3F:9C changed connection status while waiting for BluetoothGATTWriteResponse, BluetoothGATTErrorResponse: Unknown error (0)
Failed to push: Characteristic {char_specifier} was not found!

Additional information

No response