GPS "GY-GPS6MV2" at serial of a RPi

gps.py

# Python 3.6+
import pynmea2
import serial

s = serial.Serial("/dev/ttyAMA0", 9600, timeout=0.5)
line = ""
while True:
    try:
        line = s.readline().decode()
    except UnicodeDecodeError:
        pass
    if line.startswith("$GPGGA"):
        msg = pynmea2.parse(line)
        print(f'lat:     {msg.latitude:2.4f} {msg.lat_dir}')
        print(f'lon:     {msg.longitude:2.4f} {msg.lon_dir}')
        print(f'time:    {msg.timestamp}')
        print(f'num_sat: {msg.num_sats}')
        print(f'alt:     {msg.altitude}')
        print('-' * 20)