1 files changed, 6 insertions, 0 deletions
diff --git a/src/errors.rs b/src/errors.rs
index bd09eba..97ed8d8 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -49,4 +49,10 @@ pub enum BumperError {
 
     #[error("cargo failed in {0}: {1}")]
     Cargo(PathBuf, String),
+
+    #[error("can't find any version.py files in Python project at {0}")]
+    NoVersionPy(PathBuf),
+
+    #[error("couldn't write Python version to {0}: {1}")]
+    PythonWrite(PathBuf, std::io::Error),
 }