Update app_main.py

app_main.py

@@ -143,7 +143,7 @@ def index():
 @app.route('/process_pdf', methods=['POST'])
 def process_pdf():
     try:
-         logger.info("Received request to process PDF.")
+        logger.info("Received request to process PDF.")
         if 'pdf_file' not in request.files:
             logger.warning("No PDF file found in request.")
             return jsonify({"error": "Missing PDF file in form-data with key 'pdf_file'"}), 400