Update whisper_cs_dev.py

Added a print to know that fake model transcription is done

whisper_cs_dev.py

@@ -170,6 +170,8 @@ def transcribe_channels(left_waveform, right_waveform, model, use_v2_fast, fake_
         beam_size=1,
     )
 
+    if DEBUG_MODE: print(f"Preparing to transcribe...")
+
     if use_v2_fast:
         left_result, _ = model.transcribe(left_waveform, beam_size=5, task="transcribe")
         right_result, _ = model.transcribe(right_waveform, beam_size=5, task="transcribe")