Update app.py

app.py

@@ -7,7 +7,20 @@ import numpy as np
 import faiss
 import os
 import pickle
-from openai.embeddings_utils import get_embedding, cosine_similarity
+import openai
+import numpy as np
+
+def get_embedding(text, model="text-embedding-3-small"):
+    response = openai.embeddings.create(
+        input=[text],
+        model=model
+    )
+    return response.data[0].embedding
+
+def cosine_similarity(vec1, vec2):
+    vec1 = np.array(vec1)
+    vec2 = np.array(vec2)
+    return np.dot(vec1, vec2) / (np.linalg.norm(vec1) * np.linalg.norm(vec2))
 
 # === CONFIG ===
 openai.api_key = os.environ.get("OPENAI_API_KEY")