Update app.py

app.py

@@ -59,7 +59,7 @@ def ShowCityDataframe(uscities, US):
 uscities = "uscities.csv"  # CSV - Columns are: "city","city_ascii","state_id","state_name","county_fips","county_name","lat","lng","population","density","source","military","incorporated","timezone","ranking","zips","id"
 US = "US.txt"   # TSV - Columns are: Country	Zip	City	State	Area	AreaCode	Latitude	Longitude	Include
                 # TSV Columns sample:       US	99553	Akutan	Alaska	AK	Aleutians East	013			54.143	-165.7854	1
-us-zip-codes = "us-zip-code-latitude-and-longitude.txt"  # SSV - Columns are:  Zip;City;State;Latitude;Longitude;Timezone;Daylight savings time flag;geopoint
+uszipcodes = "us-zip-code-latitude-and-longitude.txt"  # SSV - Columns are:  Zip;City;State;Latitude;Longitude;Timezone;Daylight savings time flag;geopoint
                 # SSV Columns sample:       71937;Cove;AR;34.398483;-94.39398;-6;1;34.398483,-94.39398
 
 ShowCityDataframe(uscities, US)