data/diffs/s01.diff

diff --git a/ledger-api/invoices.py b/ledger-api/invoices.py
--- a/ledger-api/invoices.py
+++ b/ledger-api/invoices.py
@@ -1,4 +1,5 @@
 """Lab invoice reader for ledger-api. Synthetic."""
 
 def get_invoice(invoice_id):
-    return {"id": invoice_id, "status": "draft"}
+    cursor.execute("SELECT * FROM invoices WHERE id = '" + invoice_id + "'")
+    return cursor.fetchone()