Working app stopped suddenly. Will not deploy, will not show error

[Afsin]

https://olywarehouse.streamlit.app/

It was working fine and stopped all of a sudden. Works on local host. I get no error log.
Requirements.txt on my github repo was not changed. I rebooted and tried again, it keeps spinning the oven.

[Afsin]

matplotlib==3.7.0

pandas==1.5.3
Requests==2.31.0
seaborn==0.12.2
streamlit==1.24.1
openpyxl
gcsfs
git+https://github.com/streamlit/files-connection
smtplib
google-cloud-storage

these are the rquirements.txt. I finally got error log and it fails here at smptlib looks like it

Collecting openpyxl

  Downloading openpyxl-3.1.2-py2.py3-none-any.whl (249 kB)

     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 250.0/250.0 KB 237.5 MB/s eta 0:00:00[2023-08-14 16:14:16.196231] 

Collecting gcsfs

  Downloading gcsfs-2023.6.0-py2.py3-none-any.whl (26 kB)

ERROR: Could not find a version that satisfies the requirement smtplib (from versions: none)

ERROR: No matching distribution found for smtplib

WARNING: You are using pip version 22.0.3; however, version 23.2.1 is available.

You should consider upgrading via the '/home/adminuser/venv/bin/python -m pip install --upgrade pip' command.

Checking if Streamlit is installed

────────────────────────────────────────────────────────────────────────────────────────

[16:14:16] ❗️ installer returned a non-zero exit code

[16:14:16] ❗️ Error during processing dependencies! Please fix the error and push an update, or try restarting the app.

[16:15:50] ❗️ Streamlit server consistently failed status checks

[16:15:50] ❗️ Please fix the errors, push an update to the git repo, or reboot the app.

[Afsin]

I answered my own question smtlib not needed in requirements file.