customtinyweb.zip should be updated for python27 · Issue #9 · mit-cml/appinventor-sources · GitHub
pip ignores index pages with Content-Type not defined in PEP 691 · Issue #11340 · pypa/pip · GitHub
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c# - FtpWebRequest returning "550 File unavailable (e.g. file not found, no access)" when using ListDirectoryDetails for a directory that exists - Stack Overflow