when i try to run rosrun rosserial_python serial_node.py /dev/ttyACM0 i get an error :
Traceback (most recent call last): File "/home/hannora/Desktop/project/devel/lib/rosserial_python/serial_node.py", line 15, in <module> exec(compile(fh.read(), python_script, 'exec'), context) File "/home/hannora/Desktop/project/src/rosserial/rosserial_python/nodes/serial_node.py", line 39, in <module> from rosserial_python import SerialClient, RosSerialServer File "/home/hannora/Desktop/project/devel/lib/python3/dist-packages/rosserial_python/__init__.py", line 34, in <module> exec(__fh.read()) File "<string>", line 1, in <module> File "/home/hannora/Desktop/project/src/rosserial/rosserial_python/src/rosserial_python/SerialClient.py", line 48, in <module> from serial import Serial, SerialException, SerialTimeoutException ModuleNotFoundError: No module named 'serial'
