Update api.py

api.py

@@ -10,10 +10,10 @@ import re
 import math
 from sklearn.feature_extraction.text import TfidfVectorizer
 from sklearn.metrics.pairwise import cosine_similarity
-
-        
 from fastapi.middleware.cors import CORSMiddleware
 
+app = FastAPI()
+
 origins = [
     "https://insect5386.github.io",
     "https://insect5386.github.io/insect5386"