Could not find a version that satisfies the requirement pywin32==304

I am getting issue such as version not found with the error as

ERROR: Could not find a version that satisfies the requirement pywin32==304 (from versions: none)
ERROR: No matching distribution found for pywin32==304

This is link to my app:
https://multi-pdf-chatbot.streamlit.app/

GitHub repo link : GitHub - Devanand2501/multi-PDF-chatbot
my requirements.txt include:
attr==0.3.2

ConfigParser==6.0.0

contextlib2==21.6.0

cryptography==41.0.3

Cython==3.0.7

dl==0.1.0

docutils==0.18.1

docutils==0.18.1

HTMLParser==0.0.2

ipython==8.13.1

ipywidgets==8.1.1

Jinja2==3.1.2

keyring==24.3.0

langchain==0.0.352

lockfile==0.12.2

mock==5.1.0

numpy==1.24.3

Pillow==10.0.0

protobuf==4.25.1

pyjnius==1.6.1

pyOpenSSL==23.3.0

PyPDF2==3.0.1

python-dotenv==1.0.0

pywin32==304

railroad==0.5.0

Sphinx==7.2.6

streamlit==1.28.0

thread==0.1.3

tornado==6.3.1

trove_classifiers==2023.11.29

truststore==0.8.0

urllib3_secure_extra==0.1.0

xmlrpclib==1.0.1