fix(doc): remove mention of unsupported numpy.ndarray waveform (#1691)

Co-authored-by: Hervé BREDIN <hbredin@users.noreply.github.com>

CHANGELOG.md

@@ -32,6 +32,7 @@
 - fix(task): fix estimation of training set size (with [@FrenchKrab](https://github.com/FrenchKrab))
 - fix(hook): fix `torch.Tensor` support in `ArtifactHook`
 - fix(doc): fix typo in `Powerset` docstring (with [@lukasstorck](https://github.com/lukasstorck))
+- fix(doc): remove mention of unsupported `numpy.ndarray` waveform (with [@Purfview](https://github.com/Purfview))
 
 ### Improvements
 

pyannote/audio/core/io.py

@@ -48,7 +48,7 @@
     - a "IOBase" instance with "read" and "seek" support: open("audio.wav", "rb")
     - a "Mapping" with any of the above as "audio" key: {"audio": ...}
     - a "Mapping" with both "waveform" and "sample_rate" key:
-        {"waveform": (channel, time) numpy.ndarray or torch.Tensor, "sample_rate": 44100}
+        {"waveform": (channel, time) torch.Tensor, "sample_rate": 44100}
 
 For last two options, an additional "channel" key can be provided as a zero-indexed
 integer to load a specific channel: {"audio": "stereo.wav", "channel": 0}
@@ -149,7 +149,7 @@ def validate_file(file: AudioFile) -> Mapping:
         -------
         validated_file : Mapping
             {"audio": str, "uri": str, ...}
-            {"waveform": array or tensor, "sample_rate": int, "uri": str, ...}
+            {"waveform": tensor, "sample_rate": int, "uri": str, ...}
             {"audio": file, "uri": "stream"} if `file` is an IOBase instance
 
         Raises
@@ -171,7 +171,7 @@ def validate_file(file: AudioFile) -> Mapping:
             raise ValueError(AudioFileDocString)
 
         if "waveform" in file:
-            waveform: Union[np.ndarray, Tensor] = file["waveform"]
+            waveform: Tensor = file["waveform"]
             if len(waveform.shape) != 2 or waveform.shape[0] > waveform.shape[1]:
                 raise ValueError(
                     "'waveform' must be provided as a (channel, time) torch Tensor."