Update app.py

app.py

@@ -15,7 +15,7 @@ hf_writer = gr.HuggingFaceDatasetSaver(HF_TOKEN, "CannaTech/Flagged")
 # Define the authentication function
 def check_auth(username, password):
     # Get the credentials from the environment variable
-    valid_credentials_str = os.getenv("")
+    valid_credentials_str = os.getenv("VALID_CREDENTIALS")
 
     # Parse the string into a list of tuples
     valid_credentials = json.loads(valid_credentials_str)