Changed loading of transcriber objects to function. Adjusted tests.

test/test_transcriber.py

@@ -1,5 +1,6 @@
 import pytest
-from scraibe import Transcriber, WhisperTranscriber, WhisperXTranscriber
+from scraibe import (Transcriber, WhisperTranscriber,
+                     WhisperXTranscriber, load_transcriber)
 import torch
 
 
@@ -30,12 +31,12 @@ def test_transcriber(mock_load_model, audio_file, expected_transcription):
 
 @pytest.fixture
 def whisper_instance():
-    return Transcriber.load_model('medium', whisper_type='whisper')
+    return load_transcriber('medium', whisper_type='whisper')
 
 
 @pytest.fixture
 def whisperx_instance():
-    return Transcriber.load_model('medium', whisper_type='whisperx')
+    return load_transcriber('medium', whisper_type='whisperx')
 
 
 def test_whisper_base_initialization(whisper_instance):
@@ -56,7 +57,7 @@ def test_whisperx_transcriber_initialization(whisperx_instance):
 
 def test_wrong_transcriber_initialization():
     with pytest.raises(ValueError):
-        Transcriber.load_model('medium', whisper_type='wrong_whisper')
+        load_transcriber('medium', whisper_type='wrong_whisper')
 
 
 def test_get_whisper_kwargs():