Update app.py

app.py

@@ -31,7 +31,7 @@ def analyze_healthcare_text(text):
     base_url = "https://ta4h-endpoint.cognitiveservices.azure.com/language/analyze-text/jobs"
     headers = {
         "Content-Type": "application/json",
-        "Ocp-Apim-Subscription-Key": os.environ["TA4H-API-KEY"]
+        "Ocp-Apim-Subscription-Key": os.environ["TA4HAPIKEY"]
     }
 
     # Data to be sent in the initial POST request