I tried deploying (django tutorial method) but the captioned error happened. I looked up solutions and tried following but had no success. I am giving up but please help me.
1) pip install xlsxwriter in Bash -> deploy 2) pip3.5 install xlsxwriter in Bash -> deploy 3) pip3.6 install xlsxwriter in Bash -> deploy 4) pip3.9 install xlsxwriter in Bash -> deploy 5) put "xlsxwriter" in requirements.txt -> deploy