fixed file paths

app.py

@@ -8,9 +8,11 @@ import smtplib
 from email.message import EmailMessage
 
 # Make your repo importable (expecting a folder named causal-agent at repo root)
-REPO_ROOT = Path(__file__).resolve().parents[1]  # go up one level from /app/app.py
-EXAMPLE_CSV_PATH = REPO_ROOT / "data" / "synthetic_data"
-
+sys.path.append(str(Path(__file__).parent / "causal-agent"))
+EXAMPLE_CSV_PATH = os.getenv(
+    "EXAMPLE_CSV_PATH",
+    str(Path(__file__).parent )
+)
 from auto_causal.agent import run_causal_analysis  # uses env for provider/model
 
 # -------- LLM config (OpenAI only; key via HF Secrets) --------