Update __init__.py

Author: raphaeljafriLB

labelpandas/__init__.py

@@ -1,5 +1,5 @@
 from .client import Client
-from .rename_columns import rename_columns
+from labelpandas.rename_columns import rename_columns
 from .load_local_files import load_local_files
 from labelpandas import connector
 from labelpandas import uploader