Update app.py

app.py

@@ -85,8 +85,5 @@ async def run_code(code: Code):
 
 @app.get("/chart/{project_id}/{chain_id}/{session_id}")
 async def get_chart(project_id: str, chain_id: str, session_id: str):
-    
-    # Return as application/pdf response
-    return Response(pdf_buffer.read(), media_type="application/pdf", headers={
-        "Content-Disposition": f'inline; filename="graphs_{project_id}_{chain_id}_{session_id}.pdf"'
-    })
+    pdf_path = f"graph_{project_id}_{chain_id}_{session_id}.pdf"
+    return FileResponse(pdf_path, media_type="application/pdf")