Python AttributeError: ‘module’ object has no attribute ‘Serial’

I’m trying to access a serial port with Python 2.6 on my Raspberry Pi running Debian. My script named tries to import pySerial: import serial ser = serial.Serial('/dev/ttyAMA0', 9600) ser.write("hello world!") For some reason it refuses to establish the serial connection with this error: AttributeError: 'module' object has no attribute 'Serial' When I try … Read more

i am sending commands through serial port in python but they are sent multiple times instead of one

i am sending some commands having particular response serially using com port..the commands are kept in a file..i am reading each command through the file line by line and sending it serially over the com port..but when i am seeing it from the receiver end using Magic Terminal(Software)..i found that each command is going multiple times..which i am sending only one time..i have made a code in pycharm..and in the console i am seeing that command is going only once but from the uart receiving end the story is something else..i am stuck with this problem..i have maintain the same baudrate and everything but not able to diagnose the issue..
github link for the code is: