check bucket name

app/s3_client/s3_csv_client.py

@@ -33,6 +33,9 @@ def s3upload(service_id, filedata):
     bucket_name, file_location, access_key, secret_key, region = get_csv_location(
         service_id, upload_id
     )
+    if bucket_name == "":
+        raise Exception("NO BUCKET NAME")
+
     utils_s3upload(
         filedata=filedata["data"],
         region=region,