Check inputs

new checking mechanism as discussed in SaQC-VC

some files already adapted to new checking.

See also former MR !694 (closed)

FYI: the CI-pipeline fails, because checking already identified some wrong usage in the cookbooks..

saqc/funcs/drift.py

@@ -24,9 +24,9 @@ from saqc.core import DictOfSeries, Flags, flagging, register
 from saqc.funcs.changepoints import _getChangePoints
 from saqc.lib.checking import (
     validateCallable,
+    validateFrequency,
     validateValueBounds,
     validateWindow,
-    validateFrequency,
 )
 from saqc.lib.docs import DOC_TEMPLATES
 from saqc.lib.tools import detectDeviants, filterKwargs, toSequence
@@ -148,7 +148,7 @@ class DriftMixin:
             )
             window = kwargs["freq"]
 
-        validateFrequency(window, 'window')
+        validateFrequency(window, "window")
         fields = toSequence(field)
 
         data = self._data[fields].to_pandas()