Fixed imports in init files

src/mdevaluate/__init__.py

@@ -5,16 +5,17 @@ from typing import Optional
 import pandas as pd
 
 from . import atoms
+from . import autosave
+from . import checksum
 from . import coordinates
 from . import correlation
 from . import distribution
 from . import functions
 from . import pbc
-from . import autosave
 from . import reader
 from . import system
 from . import utils
-from .extra import free_energy_landscape, chill
+from . import extra
 from .logging import logger
 
 

src/mdevaluate/extra/__init__.py

@@ -0,0 +1,2 @@
+from . import chill
+from . import free_energy_landscape