Update app.py

app.py

@@ -1,4 +1,10 @@
 import os
+
+print(">>> DEBUG: Environment Variables at Startup <<<")
+for var in ("OPENAI_API_KEY", "LLAMA_CLOUD_API_KEY"):
+#, "LLAMA_CLOUD_BASE_URL"):
+    print(f"{var} = {os.getenv(var)!r}")
+
 # import openai
 import shutil
 import asyncio
@@ -33,6 +39,8 @@ Settings.chunk_overlap = 64
 
 
 # ---- 2. Parser Setup ----
+print(">>> DEBUG: About to init LlamaParse with key:", os.getenv("LLAMA_CLOUD_API_KEY") is not None)
+# print(">>> DEBUG: About to init LlamaParse with key:", os.getenv("LLAMA_CLOUD_BASE_URL") is not None)
 parser = LlamaParse(
     api_key  = LLAMA_CLOUD_API_KEY,
     # base_url = os.getenv("LLAMA_CLOUD_BASE_URL"),
@@ -51,6 +59,10 @@ Path("./index_data").mkdir(exist_ok=True)
 
 # ---- 3a. Upload + Answer Logic ----
 async def answer(uploaded_files: list[gr.FileData], question: str) -> str:
+
+    print(f">>> DEBUG: answer() called. OPENAI key set? {os.getenv('OPENAI_API_KEY') is not None}")
+    print(f">>> DEBUG: answer() called. LLAMA key set?  {os.getenv('LLAMA_CLOUD_API_KEY') is not None}")
+    
     if not uploaded_files:
         return "❗ Please upload at least one PDF."
     if len(uploaded_files) > 5: