Update app.py

app.py

@@ -145,7 +145,7 @@ def analyze_conditions(city: str, state: str, country: str, medical_condition: s
             "Air Quality Index (AQI): ": aqi_data["aqi"],
             "PM2.5: ":f"{aqi_data['pm25']} µg/m³",
             "PM10: ": f"{aqi_data['pm10']} µg/m³",
-            "Carbon Monoxide (CO): " : f"{aqi_data["co"]} ppb",
+            "Carbon Monoxide (CO): " : f"{aqi_data['co']} ppb",
             "Temperature": f"{aqi_data['temperature']}°C",
             "Humidity": f"{aqi_data['humidity']}%",
             "Wind Speed": f"{aqi_data['wind_speed']} km/h"