Replace this directory in file amazon_v2.py (line 40)
'DELTAFETCH_DIR': '/home/vegeta/Documents/amazon/amazon/delta_fetch'
with your directory, {your_project_dir} is your directory where this project placed (eg. /home/vegeta/Documents/Amazon):
'DELTAFETCH_DIR': '{yours_project_dir}/amazon/delta_fetch
pip install scrapy scrapy-deltafetch
sudo apt install libdb-dev
pip3 install bsddb3
cd {yours_project_dir}
python3 main.py
Replaced proxy in file amazon_v2.py line 9 with another proxy