SIFR-PYCONV-0001: A Sifr type has no active declaration-first Python conversion. - Sifr

SIFR-PYCONV-0001 belongs to the Sifr/Python conversions diagnostic family. It means: a Sifr type has no active declaration-first Python conversion.

Why It Happens

A value could not be converted across the Sifr/Python boundary. Use a supported conversion path for the primitive or structured type involved.

Use sifr --explain SIFR-PYCONV-0001 locally to see the renderer’s exact message template and any machine-applicable suggestions for the compiler version you are running.

Details

Field	Value
Code	`SIFR-PYCONV-0001`
Family	`PYCONV`
Severity	Error
Stability	stable
Owner	`sifr_lowering`
Representative fixture	`crates/sifr_lowering/src/lower/python_interop_validation_tests.rs::unsupported_python_conversion_reports_pyconv_0001`

See the Error Codes index for the complete catalog.