actually use wonderwords correctly

application/thermal_print.py

@@ -32,7 +32,7 @@
 #         resp.body = f.read()
 from escpos.printer import Usb
 import usb
-import wonderwords
+from wonderwords import RandomWord
 from datetime import datetime
 
 
@@ -95,6 +95,7 @@ class ThermalPrinter():
 
 	def print_wordsearch(self):
 		# words = ("gugu,gaga")
+		r = RandomWord()
 		words = r.random_words(10, include_parts_of_speech=["nouns", "verbs", "adjectives"])
 		w = WordSearch(words, 32, 32)