strip

app/report/views.py

     if request.method == "POST":
         if 'search_lot' in request.POST:
             lot_no = request.POST.get('lot_no', None)
+            lot_no = lot_no.strip()
             if lot_no:
                 results = queryFromMaster(lot_no)
                 first_result = results[0] if results else None