Always use lowercase country code in validate method

Author: JerrySmidt

examples/main.py

@@ -46,7 +46,7 @@ def get_session_id():
 
 
 # Get supported countries for dropdown choices
-country_choices = [(country['name'], country['iso3'].lower()) for country in get_supported_countries()]
+country_choices = [(country['name'], country['iso3']) for country in get_supported_countries()]
 initial_context = country_choices[0][1]
 
 with gr.Blocks() as demo:
@@ -85,9 +85,9 @@ def get_session_id():
                 gr.Examples(
                     example_labels=["Correct typo's", 'Ambiguous matches', 'Valid address'],
                     examples=[
-                        ['bel', '2000', 'antwerpn', 'leystraat', '11', '', ''],
-                        ['nld', '', 'Winsum', 'Postbus', '1', '', ''],
-                        ['nor', '0150', 'Oslo', '', '', '', 'Kirsten Flagstads plass 1'],
+                        ['BEL', '2000', 'antwerpn', 'leystraat', '11', '', ''],
+                        ['NLD', '', 'Winsum', 'Postbus', '1', '', ''],
+                        ['NOR', '0150', 'Oslo', '', '', '', 'Kirsten Flagstads plass 1'],
                     ],
                     inputs=validate_inputs,
                 )

src/postcode_eu_api_client/client.py

@@ -229,7 +229,7 @@ def validate(
         """
         url_parts = [
             'international/v1/validate',
-            quote(country, safe='')
+            quote(country.lower(), safe='')
         ]
 
         variables = {