refactor: replace SubplotError::YamlError with more specific one

SubplotError::YamlError is quite generic. We only parse YAML as part
of document metadata, so replace the error with a more specific one.

Sponsored-by: author

1 files changed, 1 insertions, 1 deletions

diff --git a/src/templatespec.rs b/src/templatespec.rs
index 7b8723b..28ab7e1 100644
--- a/src/templatespec.rs
+++ b/src/templatespec.rs
@@ -21,7 +21,7 @@ pub struct TemplateSpec {
 impl TemplateSpec {
     // Create a new TemplateSpec from YAML text.
     fn from_yaml(yaml: &str) -> Result<TemplateSpec, SubplotError> {
-        Ok(serde_yaml::from_str(yaml)?)
+        serde_yaml::from_str(yaml).map_err(SubplotError::Metadata)
     }
 
     // Create a new TemplateSpec.