fix throw if no image validation params

server.py

@@ -232,6 +232,8 @@ def create_app() -> Flask:
     def generate_passport():
         data = request.get_json()
         bg_color_name = data.get('bg_color_name', 'white')
+        if not data.get("raw_photo"):
+            return jsonify({"error": "Missing required field: 'raw_photo'"}), 400
         response = requests.get(data['raw_photo'], stream=True)
         if response.status_code != 200:
             return jsonify({"error": f"Failed to download image from S3. Status: {response.status_code}"}), 400