cleanup

Author: Mike Prosser

src/nitypes/waveform/_digital/_waveform.py

@@ -173,9 +173,8 @@ class DigitalWaveform(Generic[TDigitalState]):
 
     * :attr:`DigitalWaveformSignal.signal_index` - The position in the :attr:`DigitalWaveform.signals`
       collection (0-based from the first signal). signal_index 0 is the rightmost column in the data.
-    * :attr:`DigitalWaveformSignal.column_index` - The position in the :attr:`DigitalWaveform.data`
-      array's second dimension (0-based from the first column). column_index 0 is the leftmost column
-      in the data.
+    * :attr:`DigitalWaveformSignal.column_index` - The column in the :attr:`DigitalWaveform.data`
+      array, e.g. `waveform.data[:, column_index]`. column_index 0 is the leftmost column in the data.
 
     These indices are reversed with respect to each other. signal_index 0 (line 0) corresponds to
     the highest column_index, and the highest signal_index (the highest line) corresponds to

src/nitypes/waveform/_extended_properties.py

@@ -2,7 +2,7 @@
 
 import operator
 from collections.abc import Callable, Iterator, Mapping, MutableMapping
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, TypeAlias
 
 from nitypes.waveform.typing import ExtendedPropertyValue
 
@@ -12,7 +12,7 @@
 UNIT_DESCRIPTION = "NI_UnitDescription"
 
 if TYPE_CHECKING:
-    OnKeyChangedCallback = Callable[[str], None]
+    OnKeyChangedCallback: TypeAlias = Callable[[str], None]
 
 
 class ExtendedPropertyDictionary(MutableMapping[str, ExtendedPropertyValue]):