Issue fixes

app.py

@@ -58,7 +58,7 @@ def get_aqi(city:str, state:str, country:str)-> str:
 
     except requests.exceptions.Timeout:
         return "The request timed out. Please try again later or check the URL."
-    except RequestException as e:
+    except requests.exceptions.RequestException as e:
         return f"Error fetching the IQAir API: {str(e)}"
     except Exception as e:
         return f"An unexpected error occurred: {str(e)}"