Python 3 : ERROR: No matching distribution found for markdownserver-master (unavailable)

[carlmart]

Tried downloading code. Using python 3
tried pip3 install -r requirements.txt
and pip install -r requirements.txt
Both gave errors below

Discarding git+https://github.com/ohbarye/markdown-server@f85a63ba06ca7cb5beb59bd96153d7ba1fa867ae#egg=markdownserver-master: Requested markdownserver from git+https://github.com/ohbarye/markdown-server@f85a63ba06ca7cb5beb59bd96153d7ba1fa867ae#egg=markdownserver-master (from -r requirements.txt (line 4)) has inconsistent name: filename has 'markdownserver-master', but metadata has 'markdownserver'

Collecting Markdown==2.6.2
Using cached Markdown-2.6.2-py2.py3-none-any.whl (157 kB)
ERROR: Could not find a version that satisfies the requirement markdownserver-master (unavailable) (from versions: none)
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