Update app.py

app.py

@@ -121,10 +121,17 @@ def upload():
         if filename.lower().endswith(".pdf"):
             chunks = split_pdf_into_chunks(path, chunk_size=2)
             merged_results = []
-            for chunk_file in chunks:
+            for i, chunk_file in enumerate(chunks):
+                print(f"📄 Processing chunk {i+1}/{len(chunks)}")
                 op_location = submit_read_api(chunk_file)
                 chunk_text = poll_read_result(op_location)
                 merged_results.append(chunk_text)
+
+                # ⏳ wait 2 seconds before next request to avoid 429 errors
+                if i < len(chunks) - 1:
+                    print("⏳ Sleeping 2s before next chunk...")
+                    time.sleep(2)
+
             extracted_text = "\n\n".join(merged_results)
         else:
             op_location = submit_read_api(path)
@@ -139,6 +146,7 @@ def upload():
     return jsonify({"text": extracted_text})
 
 
+
 # Health check
 @app.route("/ping-azure")
 def ping_azure():