[Python] Calibrate Donkey Car via raspberrypi4 with l298n motor (* no 16 channel servo driver )

So I am building a donkey car in raspberry pi 4 2gb. I have installed the software and all libraries needed and made changes in myconfig.py. My car runs properly, but I couldn't calibrate it to turn properly (left and right) according to https://docs.donkeycar.com/guide/calibrate/. If anyone could help it would be great.

code changes in myconfig.py

# #CAMERA
CAMERA_TYPE = "WEBCAM"
IMAGE_W = 200
IMAGE_H = 120

DRIVE_TRAIN_TYPE = "DC_TWO_WHEEL_L298N"

DC_TWO_WHEEL_L298N = {
"LEFT_FWD_PIN": "RPI_GPIO.BOARD.16", # TTL output pin enables left wheel forward
"LEFT_BWD_PIN": "RPI_GPIO.BOARD.18", # TTL output pin enables left wheel reverse
"LEFT_EN_DUTY_PIN": "RPI_GPIO.BOARD.22", # PWM pin generates duty cycle for left motor speed
"RIGHT_FWD_PIN": "RPI_GPIO.BOARD.15", # TTL output pin enables right wheel forward
"RIGHT_BWD_PIN": "RPI_GPIO.BOARD.13", # TTL output pin enables right wheel reverse
"RIGHT_EN_DUTY_PIN": "RPI_GPIO.BOARD.11", # PWM pin generates duty cycle for right wheel speed
}

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