Plotting Sensor Data

Good day all,

I have I am trying to plot the current temperature from my thermostat and I have finally figured out how to get a line graph of the data, but I am also getting the standard bar graph of the sensor data as well. This is a screen shot of the plot I have now.
image
Here is the code for the sensor that is at least partially giving me what I want:

sensor:
        thermostat_temperature:
          device_class: 'temperature'
          unit_of_measurement: °F
          friendly_name: 'Thermostat Current Temperature'
          value_template: >
            {{ state_attr('climate.a_c_thermostat_nativezone', 'current_temperature')|float }}

So, when I added the sensor.thermostat_temperature enitity to the history-graph card, I got the line I wanted on the plot, but I also got the bar graph at the top. Is there any way to make this bar graph go away, I really do not want it.

Thanks in advance for the help.

Interesting, I came back to the computer and the bar graph had just gone away. I guess it had something to do with reloading the UI. Oh well, anyway, it is fixed.