Update app.py

app.py

@@ -177,7 +177,7 @@ def server(input, output, session: Session):
         df = pd.DataFrame([{
             "Filename": r["filename"],
             "Viable": r.get("viable", ""),
-            "Non-viable": r.get("nonviable", ""),
+            "Non-Viable": r.get("non-viable", ""),
             "Empty": r.get("empty", ""),
             "Total": r.get("total", "")
         } for r in results])