Update app.py

app.py

@@ -265,7 +265,7 @@ def uploadNote(prompt,num_inference_steps,guidance_scale,timestamp,denoise):
     
 @spaces.GPU(duration=40)
 def generate_30(
-    prompt: str,
+    prompt: str = "",
     negative_prompt: str = "",
     use_negative_prompt: bool = False,
     style_selection: str = "",
@@ -276,7 +276,7 @@ def generate_30(
     num_inference_steps: int = 125,
     randomize_seed: bool = False,
     use_resolution_binning: bool = True, 
-    latent_file,  # Add latents file input
+    latent_file = None,  # Add latents file input
     progress=gr.Progress(track_tqdm=True)  # Add progress as a keyword argument
 ):
     #torch.backends.cudnn.benchmark = False
@@ -331,7 +331,7 @@ def generate_60(
     num_inference_steps: int = 250,
     randomize_seed: bool = False,
     use_resolution_binning: bool = True, 
-    latent_file,  # Add latents file input
+    latent_file = None,  # Add latents file input
     progress=gr.Progress(track_tqdm=True)  # Add progress as a keyword argument
 ):
     #torch.backends.cudnn.benchmark = True
@@ -386,7 +386,7 @@ def generate_90(
     num_inference_steps: int = 250,
     randomize_seed: bool = False,
     use_resolution_binning: bool = True, 
-    latent_file,  # Add latents file input
+    latent_file = None,  # Add latents file input
     progress=gr.Progress(track_tqdm=True)  # Add progress as a keyword argument
 ):
     #torch.backends.cudnn.benchmark = True