How to use the pyexasol.exceptions function in pyexasol

def connect(self):
        """ Attempt to connect to exasol."""
        schema = self.config.schema if ("schema" in self.config) else None
        params = {"schema": schema, "compression": True}
        params.update(self.config.params)
        try:
            self.connection = pyexasol.connect(
                dsn=self.dsn,
                user=self.config.user,
                password=self.config.password,
                fetch_dict=True,
                **params,
            )
        except pyexasol.exceptions.ExaError as err:
            log.exception(err)
        return self.connection

password=config.password,
                fetch_dict=True,
                fetch_mapper=pyexasol.exasol_mapper,
                **params,
            )
        except pyexasol.exceptions.ExaConnectionDsnError as exc:
            raise ConnectionEstablishError(config.name, reason="Bad dsn", dsn=config.dsn) from exc
        except pyexasol.exceptions.ExaAuthError as exc:
            raise ConnectionEstablishError(
                config.name, reason="Authentication failed", dsn=config.dsn, user=config.user,
            ) from exc
        except pyexasol.exceptions.ExaConnectionFailedError as exc:
            raise ConnectionEstablishError(
                config.name, reason="Connection refused", dsn=config.dsn,
            ) from exc
        except pyexasol.exceptions.ExaError as exc:
            raise ConnectionEstablishError(config.name, dsn=config.dsn) from exc

if "schema" in config:
            params["schema"] = config.schema
        params.update(config.params)

        try:
            return pyexasol.connect(
                dsn=config.dsn,
                user=config.user,
                password=config.password,
                fetch_dict=True,
                fetch_mapper=pyexasol.exasol_mapper,
                **params,
            )
        except pyexasol.exceptions.ExaConnectionDsnError as exc:
            raise ConnectionEstablishError(config.name, reason="Bad dsn", dsn=config.dsn) from exc
        except pyexasol.exceptions.ExaAuthError as exc:
            raise ConnectionEstablishError(
                config.name, reason="Authentication failed", dsn=config.dsn, user=config.user,
            ) from exc
        except pyexasol.exceptions.ExaConnectionFailedError as exc:
            raise ConnectionEstablishError(
                config.name, reason="Connection refused", dsn=config.dsn,
            ) from exc
        except pyexasol.exceptions.ExaError as exc:
            raise ConnectionEstablishError(config.name, dsn=config.dsn) from exc

try:
            return pyexasol.connect(
                dsn=config.dsn,
                user=config.user,
                password=config.password,
                fetch_dict=True,
                fetch_mapper=pyexasol.exasol_mapper,
                **params,
            )
        except pyexasol.exceptions.ExaConnectionDsnError as exc:
            raise ConnectionEstablishError(config.name, reason="Bad dsn", dsn=config.dsn) from exc
        except pyexasol.exceptions.ExaAuthError as exc:
            raise ConnectionEstablishError(
                config.name, reason="Authentication failed", dsn=config.dsn, user=config.user,
            ) from exc
        except pyexasol.exceptions.ExaConnectionFailedError as exc:
            raise ConnectionEstablishError(
                config.name, reason="Connection refused", dsn=config.dsn,
            ) from exc
        except pyexasol.exceptions.ExaError as exc:
            raise ConnectionEstablishError(config.name, dsn=config.dsn) from exc

"""Establish connection with exasol"""
        params = {"compression": True}
        if "schema" in config:
            params["schema"] = config.schema
        params.update(config.params)

        try:
            return pyexasol.connect(
                dsn=config.dsn,
                user=config.user,
                password=config.password,
                fetch_dict=True,
                fetch_mapper=pyexasol.exasol_mapper,
                **params,
            )
        except pyexasol.exceptions.ExaConnectionDsnError as exc:
            raise ConnectionEstablishError(config.name, reason="Bad dsn", dsn=config.dsn) from exc
        except pyexasol.exceptions.ExaAuthError as exc:
            raise ConnectionEstablishError(
                config.name, reason="Authentication failed", dsn=config.dsn, user=config.user,
            ) from exc
        except pyexasol.exceptions.ExaConnectionFailedError as exc:
            raise ConnectionEstablishError(
                config.name, reason="Connection refused", dsn=config.dsn,
            ) from exc
        except pyexasol.exceptions.ExaError as exc:
            raise ConnectionEstablishError(config.name, dsn=config.dsn) from exc