Update app.py

app.py

@@ -147,7 +147,9 @@ def fetch_image(bucket_name: str, image_path: str):
         # Use python-magic to detect MIME type from the file data
         mime_type = magic.Magic(mime=True).from_buffer(file_data)
 
-        current_directory = os.getcwd()
+        current_directory = os.path.dirname(os.path.abspath(__file__))
+
+        os.makedirs('letterhead', exist_ok=True)
         
         letterhead_image_path = image_path.split('/')[-1] + "." + mime_type.split('/')[-1]
         full_letterhead_image_path = os.path.join(current_directory, "letterhead", letterhead_image_path)