Minor tweaks for performance

src/clj/auto_ap/jobs/register_invoice_import.clj

@@ -18,11 +18,16 @@
 (def bucket (:data-bucket env))
 
 (defn s3->csv [url]
-  (->> (-> (s3/get-object {:bucket-name bucket
-                           :key         (str "bulk-import/" url)})
-           :input-stream
-           io/reader
-           csv/read-csv)))
+  (try 
+    (->> (-> (s3/get-object {:bucket-name bucket
+                             :key         (str "bulk-import/" url)})
+             :input-stream
+             io/reader
+             csv/read-csv))
+    (catch Exception e
+      (log/error (str "Could not read the file " url ". Are you sure you uploaded it?"))
+      (log/error e)
+      (throw e))))
 
 (defn register-invoice-import* [data]
   (let [db             (d/db conn)