Update app.py

app.py

@@ -7,7 +7,8 @@ from azure.core.credentials import AzureKeyCredential
 azure_endpoint = "https://t6langservice.cognitiveservices.azure.com/"
 
 # this is the KEY for the Azure API Service I created. I did not use any class or data structure to store this key
-azure_api_key = "3CU1gpUszvl7pLb90Ivdp1Kd5WZc56savzdXOK5GV40JHebnxnxoJQQJ99BAACYeBjFXJ3w3AAAaACOGkRT5" 
+#azure_api_key = "3CU1gpUszvl7pLb90Ivdp1Kd5WZc56savzdXOK5GV40JHebnxnxoJQQJ99BAACYeBjFXJ3w3AAAaACOGkRT5" 
+azure_api_key = os.getenv("AZURE_API_KEY")
 
 # call to the Azure TextAnalyticsClient API
 text_analytics_client = TextAnalyticsClient(endpoint=azure_endpoint, credential=AzureKeyCredential(azure_api_key))