Fix KeyError

validata_core/__init__.py

@@ -210,7 +210,7 @@ class Validator:
         options = {**options, "custom_loaders": loaders.custom_loaders}
         report = inspector.inspect(source=source, schema=schema_descriptor, **options)
 
-        if report['tables'][0]['format'] == "csv" and not any(
+        if report['tables'][0].get('format') == "csv" and not any(
             get_in(['errors', err['code'], 'type'], spec, default=None) == 'source'
             for err in report['tables'][0]['errors']
         ):