pip3: command not found

You would need to install pip3. On Linux, the command would be: sudo apt install python3-pip On Mac, using brew, first brew install python3Then brew postinstall python3 Try calling pip3 -V to see if it worked.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)