pytesseractについて

python3でpytesseractを使うと以下のようなエラーが出てしまいます
対処法を教えてくださるとありがたいです、、

python3
1from nltk.stem import WordNetLemmatizer
2lemmatizer=WordNetLemmatizer()
3qlist=["単語２０４７個"]
4ty=input("which type?")
5import os,pytesseract,nltk
6nltk.download('all')
7from PIL import Image
8counter1=0
9counter2=0
10os.chdir(f"./{ty}")
11for im in os.listdir(".")[1:]:
12  img=Image.open(im)
13  text=pytesseract.image_to_string(img,lang="eng")
14  text=text.replace("\n","")
15  text=nltk.word_tokenize(text)
16  text=nltk.pos_tag(text)
17  for word,type in list(set(text)):
18    if type in ["JJ","JJR","JJS"]:
19      counter1+=1
20      if lemmatizer.lemmatize(word,pos="a") in qlist:
21        counter2+=1
22      else:
23        print(word+" leaked")
24    elif type in ["NN","NNS","NNP","NNPS"]:
25      counter1+=1
26      if lemmatizer.lemmatize(word,pos="n"):
27        counter2+=1
28      else:
29        print(word+" leaked")
30    elif type in ["RB","RBS","RBR"]:
31      counter1+=1
32      if lemmatizer.lemmatize(word,pos="r") in qlist:
33        counter2+=1
34      else:
35        print(word+" leaked")
36    elif type in ["VB","VBD","VBG","VBN","VBP","VBZ"]:
37      counter1+=1
38      if lemmatizer.lemmatize(word,pos="v") in qlist:
39        counter2+=1
40      else:
41        print(word+" leaked")
42print("system covers"+str(100*counter2/counter1)+"%")