remove warnings
remove warnings

trcwm/openpnp-capture,openpnp/openpnp-capture,openpnp/openpnp-capture,openpnp/openpnp-capture,trcwm/openpnp-capture,openpnp/openpnp-capture,trcwm/openpnp-capture,trcwm/openpnp-capture,trcwm/openpnp-capture,trcwm/openpnp-capture,openpnp/openpnp-capture,openpnp/openpnp-capture