Remove dotenv dependency and update access key usage in image and main modules

image.py

@@ -3,12 +3,9 @@ import io
 import os
 import re
 import requests
-import dotenv
 from PIL import Image
 import pollinations as ai
 
-dotenv.load_dotenv()
-
 def extract_summary(text):
     text = text.replace("#", "").strip().lower()
     match = re.search(r"summary(.*?)highlights", text, re.DOTALL)

main.py

@@ -8,7 +8,6 @@ from send_mail import send_email
 
 # Load environment variables
 dotenv.load_dotenv()
-summarizer_api_key = os.getenv("SUMMARIZER_API_KEY")
 access_key = os.getenv("ACCESS_KEY")
 
 def paper_data(paper_data, wait_time=5):
@@ -26,7 +25,7 @@ def paper_data(paper_data, wait_time=5):
                 if not all([paper_id, doi, pdf_url, title, citation]):
                     print(f"Skipping paper with ID: {paper_id} (missing details)")
                     continue
-                summary, mindmap = summarize_paper(pdf_url, paper_id, summarizer_api_key)
+                summary, mindmap = summarize_paper(pdf_url, paper_id, access_key)
                 post_blog(title, category, summary, mindmap, citation, access_key, wait_time)
                 data['data'][category][paper_id] = {
                     "id": paper_id,