Install module in python3

sudo python3 -m pip install Pysolar

Run the example

python3 test.py

Output

Datetime :  2018-08-18 14:29:49.012234
Altitude :  44.74647647605097

Before 12:00
Azimuth  :  -156.95930344064357

After 12:00
Azimuth  :  203.0406965593564


Pure
Azimuth  :  -23.040696559356405