Use lower provider code to find SQLite file

dbnomics_data_model/storages/indexes.py

@@ -33,10 +33,11 @@ SQL_BEGIN_TRANSACTION = 'BEGIN TRANSACTION'
 
 
 def get_sqlite_db_path(sqlite_dir_path, provider_code, dataset_code):
-    sqlite_db_path = Path(sqlite_dir_path) / provider_code / "{}.sqlite".format(dataset_code)
+    provider_code_lower = provider_code.lower()
+    sqlite_db_path = Path(sqlite_dir_path) / provider_code_lower / "{}.sqlite".format(dataset_code)
     if not sqlite_db_path.is_file():
         dataset_id = "{}/{}".format(provider_code, dataset_code)
-        log.debug("Could not find SQLite index file for {}".format(dataset_id))
+        log.debug("Could not find SQLite index file for %s (expected %s)", dataset_id, str(sqlite_db_path))
         return None
     return sqlite_db_path