astral-sh/uv · error

Requested extra{s} not found: {}

Error message

Requested extra{s} not found: {}

What it means

Error "Requested extra{s} not found: {}" thrown in astral-sh/uv.

Source

Thrown at crates/uv/src/commands/pip/operations.rs:204

                } else {
                    None
                }
            });

            // If any of the extras were unused, surface a warning.
            let mut unused_extras = extras
                .explicit_names()
                .filter(|extra| {
                    !resolutions
                        .iter()
                        .any(|resolution| resolution.extras().contains(extra))
                })
                .collect::<Vec<_>>();
            if !unused_extras.is_empty() {
                unused_extras.sort_unstable();
                unused_extras.dedup();
                let s = if unused_extras.len() == 1 { "" } else { "s" };
                return Err(anyhow!(
                    "Requested extra{s} not found: {}",
                    unused_extras.iter().join(", ")
                )
                .into());
            }

            // Extend the requirements with the resolved source trees.
            requirements.extend(
                resolutions
                    .into_iter()
                    .flat_map(SourceTreeResolution::into_requirements),
            );
        }

        for (pyproject_path, groups) in groups {
            let metadata = SourcedDependencyGroups::from_virtual_project(
                pyproject_path,
                None,

View on GitHub (pinned to f1a42680ff)

When it happens

Trigger: Thrown at crates/uv/src/commands/pip/operations.rs:204 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of astral-sh/uv@f1a42680ff (2026-08-16). Data as JSON: /api/errors/f4f004ed717701c9. Report an issue: GitHub.