Update app.py

app.py

@@ -9,7 +9,10 @@ from google.cloud import translate_v2 as translate
 import zipfile
 import io
 
-# Assuming GOOGLE_APPLICATION_CREDENTIALS is set in your environment
+import os
+# Upload credential json file from default compute service account
+os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = "herbaria-ai-3c860bcb0f44.json"
+
 # Set your Google Cloud Document AI processor details here
 project_id = "herbaria-ai"
 location = "us"