maybe this helps?

Author: psnairne

src/hgnc/error.rs

@@ -32,8 +32,6 @@ pub enum HGNCError {
     Request(#[from] reqwest::Error),
     #[error("Something went wrong when using Mutex: {0}")]
     MutexError(String),
-    #[error("HGNC fetch request for {gene} failed. Error: {err}.")]
-    FetchRequest { gene: String, err: String },
     #[error("HgncAPI returned an error on {attempts} attempts to retrieve data about gene {gene}")]
     HgncAPI { gene: String, attempts: usize },
 }

src/hgnc/hgnc_client.rs

@@ -45,13 +45,11 @@ impl HGNCClient {
                 .get(url)
                 .header("User-Agent", "PIVOT")
                 .header("Accept", "application/json")
-                .send()
-                .map_err(|err| HGNCError::FetchRequest {
-                    gene: query.inner().to_string(),
-                    err: err.to_string(),
-                })?;
+                .send();
 
-            if response.status().is_success() {
+            if let Ok(response) = response
+                && response.status().is_success()
+            {
                 let gene_response = response.json::<GeneResponse>()?;
                 return Ok(gene_response.response.docs);
             }

src/hgvs/error.rs

@@ -65,8 +65,6 @@ pub enum HGVSError {
     VariantValidatorAPI { hgvs: String, attempts: usize },
     #[error("VariantValidator response for {hgvs} had an unexpected format: {format_issue}")]
     VariantValidatorResponseUnexpectedFormat { hgvs: String, format_issue: String },
-    #[error("VariantValidator fetch request for {hgvs} failed. Error: {err}.")]
-    FetchRequest { hgvs: String, err: String },
     #[error(transparent)]
     CacheDatabase(#[from] DatabaseError),
     #[error(transparent)]

src/hgvs/hgvs_client.rs

@@ -91,13 +91,11 @@ impl HGVSClient {
                 .get(fetch_url)
                 .header("User-Agent", "PIVOT")
                 .header("Accept", "application/json")
-                .send()
-                .map_err(|err| HGVSError::FetchRequest {
-                    hgvs: unvalidated_hgvs.to_string(),
-                    err: err.to_string(),
-                })?;
+                .send();
 
-            if response.status().is_success() {
+            if let Ok(response) = response
+                && response.status().is_success()
+            {
                 return response.json::<VariantValidatorResponse>().map_err(|err| {
                     HGVSError::DeserializeVariantValidatorResponseToSchema {
                         hgvs: unvalidated_hgvs.to_string(),