Handling not initialized error in mercury

from pipython.pidevice.gcsmessages import GCSMessages

from pipython.pidevice.interfaces.piserial import PISerial

from pipython.pidevice.interfaces.pisocket import PISocket

from pipython import GCSError

# Custom modules

from .basedevice import BaseDevice

from ..utils.logger import log

class Mercury(BaseDevice):

        pidevice = self._check_connection()

        method = getattr(pidevice, command)

        try:

            return method(self.axis, *args)

        except GCSError as e:

            log.error(f"Device not initialized: {e}")

            return None

    def wait(self):

        """