Fix mismatched indent

Author: doyle-arista

influxdb/__init__.py

@@ -20,7 +20,7 @@
 NO_DATAFRAME_CLIENT = os.environ.get("INFLUXDB_NO_DATAFRAME_CLIENT", "0")
 if NO_DATAFRAME_CLIENT.lower() not in ("1", "true"):
     from .dataframe_client import DataFrameClient # noqa: F401 unused import
-     __all__.append("DataFrameClient")
+    __all__.append("DataFrameClient")
 
 
 __version__ = '5.0.0'