trying to fix missing 1 required positional argument

app.py

@@ -4,15 +4,13 @@ import torch
 import torchvision
 import gradio as gr
 
-title = "Person detection with YOLO v5"
-description = "Person detection, you can twik the corresponding confidence threshold. Good results even when face not visible."
-article = "<p style='text-align: center'><a href='https://github.com/scoutant/yolo-persons-gradio' target='_blank' class='footer'>Github Repo</a></p>"
+article = "<p style='text-align: center'><a href='https://github.com/scoutant/yolo-person-gradio' target='_blank' class='footer'>Github Repo</a></p>"
 
 model = torch.hub.load('ultralytics/yolov5', 'yolov5l')
 model.classes = [ 0 ] # only considering class 'person' and not the 79 other classes...
 model.conf = 0.6 # only considering detection above the threshold.
 
-def inference(img:PIL.Image.Image, threshold):
+def inference(img:PIL.Image.Image, threshold:float=0.6):
     if img is None:
         return None,0
     images:List[PIL.Image.Image] = [ img ] # inference operates on a list of images
@@ -24,16 +22,10 @@ def inference(img:PIL.Image.Image, threshold):
 
 gr.Interface(
     fn = inference,
-    inputs = [
-        gr.inputs.Image(type="pil", label="Input"),
-        gr.Slider(minimum=0.5, maximum=0.9, step=0.05, value=0.7, label="Confidence threshold")
-      ],
-    outputs = [
-        gr.components.Image(type="pil", label="Output"),
-        gr.components.Label(label="nb of persons detected for given confidence threshold")
-      ],
-    title=title,
-    description=description,
+    inputs = [ gr.inputs.Image(type="pil", label="Input"), gr.Slider(minimum=0.5, maximum=0.9, step=0.05, value=0.7, label="Confidence threshold") ],
+    outputs = [ gr.components.Image(type="pil", label="Output"), gr.components.Label(label="nb of persons detected for given confidence threshold") ],
+    title="Person detection with YOLO v5",
+    description="Person detection, you can twik the corresponding confidence threshold. Good results even when face not visible.",
     article=article,
     examples=[['data/businessmen-612.jpg'], ['data/businessmen-back.jpg']],
     enable_queue=True,