Update app.py

app.py

@@ -30,7 +30,7 @@ def Image_to_caption(image,url, greedy = True, model = model_raw):
             max_new_tokens = 30,
             top_k=5)
     generated_text = tokenizer.batch_decode(generated_ids, skip_special_tokens=True)[0] 
-    openai.api_key = "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"
+    openai.api_key = os.environ['API_KEY']
     completion = openai.ChatCompletion.create(
         model= "gpt-3.5-turbo",
         messages = [{"role":"user","content":f"provide me the top trending hashtags based this text {generated_text} in twitter"}]