upgraded

app.py

@@ -110,12 +110,19 @@ class UI():
                     with gr.Blocks():
                         with gr.Row():
                             with gr.Column():
-                                self.faces_list = gr.Dataframe(
-                                    headers=["Face Name"],
-                                    datatype=["str"],
-                                    label="Faces",
-                                    value=[[n] for n in self.known_faces_names]
-                                )
+                                if len(self.known_faces_names)>0:
+                                    self.faces_list = gr.Dataframe(
+                                        headers=["Face Name"],
+                                        datatype=["str"],
+                                        label="Faces",
+                                        value=[[n] for n in self.known_faces_names]
+                                    )
+                                else:
+                                    self.faces_list = gr.Dataframe(
+                                        headers=["Face Name"],
+                                        datatype=["str"],
+                                        label="Faces"
+                                    )
             with gr.Row():
                 with gr.Accordion(label="Options", open=False):
                     self.sld_threshold = gr.Slider(1e-2,10,4e-1,step=1e-2,label="Recognition threshold")
@@ -168,7 +175,7 @@ class UI():
                 self.known_faces.append(finger_print)
             self.known_faces_names.append(file.stem)
         if hasattr(self, "faces_list"):
-            self.faces_list.update([self.known_faces])
+            self.faces_list.update([[n] for n in self.known_faces_names])
 
     def set_face_name(self, face_name):
         self.face_name=face_name