Used OS env.

app.py

@@ -7,15 +7,10 @@ import numpy as np
 import io
 import json
 from google import genai
-from dotenv import dotenv_values, load_dotenv
-
-load_dotenv()
-
-config = dotenv_values(".env")
 
 MODEL_ID = "gemini-2.0-flash" 
 model_id = MODEL_ID
-client = genai.Client(api_key = config["GEMINI_API_KEY"])
+client = genai.Client(api_key = os.getenv("GEMINI_API_KEY"))
 
 # Load labels from JSON file
 with open('model/labels.json', 'r') as f: