Update app.py

app.py

@@ -10,10 +10,10 @@ PAGE_LINK
 """
 
 
-def make_tree(url):
+def make_tree(url=""):
     link_box=[]
     html_out=""
-    feed1 = requests.get(url)
+    feed1 = requests.get(f'{main_directory}{url}')
     spl = feed1.text.split("href=")
     for line in spl:
         spl2 = line.split(">")[0]
@@ -24,7 +24,7 @@ def make_tree(url):
     return gr.update(choices=[l for l in link_box],interactive=True)
 
 def run():
-    out=make_tree(main_directory)
+    out=make_tree()
     return out
     
 with gr.Blocks() as app: