Update app.py

app.py

@@ -4,7 +4,7 @@ import tempfile
 from openai import OpenAI
 
 # Set an environment variable for key
-os.environ['OPENAI_API_KEY'] = os.environ.get('OPENAI_API_KEY')
+#os.environ['OPENAI_API_KEY'] = os.environ.get('OPENAI_API_KEY')
 
 client = OpenAI() # add api_key
 
@@ -29,12 +29,23 @@ def voice_change(audio_in, audio_ref):
     return 'output.wav'
 
 
-def tts(text, model, voice):
-    response = client.audio.speech.create(
-        model=model, #"tts-1","tts-1-hd"
-        voice=voice, #'alloy', 'echo', 'fable', 'onyx', 'nova', 'shimmer'
-        input=text,
-    )
+def tts(text, model, voice, api_key):
+    if api_key == '':
+        raise gr.Error('Please enter your OpenAI API Key')
+    else:
+        try:
+            client = OpenAI(api_key=api_key)
+
+            response = client.audio.speech.create(
+                model=model, # "tts-1","tts-1-hd"
+                voice=voice, # 'alloy', 'echo', 'fable', 'onyx', 'nova', 'shimmer'
+                input=text,
+            )
+
+        except Exception as error:
+            # Handle any exception that occurs
+            raise gr.Error("An error occurred while generating speech. Please check your API key and try again.")
+            print(str(error))
 
     # Create a temp file to save the audio
     with tempfile.NamedTemporaryFile(suffix=".mp3", delete=False) as temp_file: