Improve fetching of financial data.

post_to_reddit.py

@@ -6,13 +6,17 @@ import glob
 from datetime import datetime, timezone
 import praw
 from dotenv import load_dotenv
+from pathlib import Path
 
 # --- CONFIGURATION ---
 IMAGE_DIR = "images"
 
 def get_reddit_instance():
-    """Initializes and returns a PRAW Reddit instance from .env credentials."""
-    load_dotenv()
+    """Initializes and returns a PRAW Reddit instance using OAuth2 refresh token."""
+
+    env_path = Path(__file__).parent / '.env'
+    load_dotenv(dotenv_path=env_path)
+    
     client_id = os.getenv("REDDIT_CLIENT_ID")
     client_secret = os.getenv("REDDIT_CLIENT_SECRET")
     user_agent = os.getenv("REDDIT_USER_AGENT")