diff --git a/api.py b/api.py
index f70ffac..e611fcf 100644
--- a/api.py
+++ b/api.py
@@ -110,7 +110,9 @@ def print_customer_order(data, address, waiter):
     if waiter:
         printer.text("Pedido Por: \n")
         printer.text(str(waiter)+'\n')
-    printer.set(align='center', bold=False, height=2, width=2, custom_size=True)
+    printer.set(
+        align='center', bold=False, height=2, width=2, custom_size=True
+    )
     printer.text('========================\n')
     text = 'MESA: ' + str(d['table'] + "\n")
     printer.text(text)