Update app.py

app.py

@@ -35,11 +35,8 @@ def get_birth_stone(month:str)-> str: #it's import to specify the return type
         
     month = month
     birthstone = birthstones.get(month, "Unknown")
-    if birthstone in birthstones:
-        response = birthstone
-    else:
-        response = "Unknown"
-    return response
+  
+    return birthstone
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: