Update app.py

app.py

@@ -243,7 +243,7 @@ india.loc[india['ST_NM'].isin(['Ladakh', 'Jammu & Kashmir']), 'ST_NM'] = 'Jammu
                 * PM10 guidelines: India: 100, WHO: 50.
                 * If query asks to plot calendarmap, use library calmap.
 				* If result is a plot, show the India and WHO guidelines in the plot.
-                * If result is a plot make it in tight layout, save it and save path in `answer`. Example: `answer='plot.png'`
+                * If result is a plot make it in tight layout, save it and save path in `answer`. Example: `answer='plot.png'`. Use uuid to save the plot.
                 * If result is a plot, rotate x-axis tick labels by 45 degrees,
                 * If result is not a plot, save it as a string in `answer`. Example: `answer='The city is Mumbai'`
                 * I have a geopandas.geodataframe india containining the coordinates required to plot Indian Map with states.