Update app.py

app.py

@@ -7,14 +7,15 @@ _ = load_dotenv(find_dotenv())
 credentials = os.environ["CREDENTIALS"]
 project = os.environ["PROJECT"]
 
+credentials = json.loads(credentials)
+
 from google.oauth2 import service_account
 
-credentials = json.loads(credentials)
 credentials = service_account.Credentials.from_service_account_info(credentials)
 print("###1")
 
-#if credentials.expired:
-#    credentials.refresh(Request())
+if credentials.expired:
+    credentials.refresh(Request())
 
 vertexai.init(project = project, 
               location = "us-west1",
@@ -24,7 +25,7 @@ print("###2")
 #from vertexai.language_models import TextGenerationModel
 
 #generation_model = TextGenerationModel.from_pretrained("text-bison@001")
-print("###3")
+#print("###3")
 
 def invoke(prompt):
     return generation_model.predict(prompt = prompt).text