Update app.py

app.py

@@ -40,7 +40,7 @@ def destiny_still_arrives(name:str, age_or_dob:str)-> str: #it's import to speci
         "December": "Turquoise"
     }
     
-    month = datetime.strptime(dob, "%Y-%m-%d").strftime("%B")
+    month = datetime.strptime(age_or_dob, "%Y-%m-%d").strftime("%B")
     birthstone = birthstones.get(month, "Unknown")
     
     image_urls = {