Update app.py

app.py

@@ -1,4 +1,5 @@
 import os
+from google.oauth2 import service_account
 
 from langchain.llms import OpenAI
 from langchain.chat_models import ChatOpenAI
@@ -10,8 +11,11 @@ from vertexai.preview.vision_models import ImageQnAModel
 import vertexai
 PROJECT_ID = "franz-media-1512554302520"
 LOCATION = "us-central1"
-
-vertexai.init(project=PROJECT_ID, location=LOCATION,credentials=os.environ["GCP_VERTEXAI_CRED"])
+CRED_PATH = "creds.json"
+with open(CRED_PATH,"w") a f:
+    f.write(os.environ["GCP_VERTEXAI_CRED"])
+credentials = service_account.Credentials.from_service_account_file(CRED_PATH)
+vertexai.init(project=PROJECT_ID, location=LOCATION,credentials=credentials)
 image_qna_model = ImageQnAModel.from_pretrained("imagetext@001")