fixed it

app.py

@@ -5,10 +5,10 @@ sys.path.append("neutts-air")
 from neuttsair.neutts import NeuTTSAir
 import gradio as gr
 
-SAMPLES_PATH = "/neutts-air/samples/"
+SAMPLES_PATH = os.path.join(os.getcwd(), "neutts-air", "samples")
 DEFAULT_REF_TEXT = "So I'm live on radio. And I say, well, my dear friend James here clearly, and the whole room just froze. Turns out I'd completely misspoken and mentioned our other friend." 
 DEFAULT_REF_PATH = os.path.join(SAMPLES_PATH, "dave.wav")
-DEFAULT_GEN_TEXT = "Hello, I'm NeuTTS-Air! How're you doing today?"
+DEFAULT_GEN_TEXT = "My name is Dave, and um, I'm from London."
 
 tts = NeuTTSAir(
     backbone_repo="neuphonic/neutts-air",
@@ -32,9 +32,12 @@ def infer(ref_text, ref_audio_path, gen_text):
 demo = gr.Interface(
     fn=infer,
     inputs=[
-        gr.Textbox(label="Reference Text", value=DEFAULT_REF_TEXT),
-        gr.Audio(type="filepath", label="Reference Audio", value=DEFAULT_REF_PATH),
-        gr.Textbox(label="Text to Generate", value=DEFAULT_GEN_TEXT),
+        gr.Textbox(label="Reference Text"),
+        gr.Audio(type="filepath", label="Reference Audio"),
+        gr.Textbox(label="Text to Generate"),
+    ],
+    examples=[
+        [DEFAULT_REF_TEXT, DEFAULT_REF_PATH, DEFAULT_GEN_TEXT]
     ],
     outputs=gr.Audio(type="numpy", label="Generated Speech"),
     title="NeuTTS-Air☁️",