fixed timestamp error

app.py

@@ -189,6 +189,13 @@ def predict_depth(input_image):
         if temp_file and os.path.exists(temp_file):
             os.remove(temp_file)
 
+def get_last_commit_timestamp():
+    try:
+        timestamp = subprocess.check_output(['git', 'log', '-1', '--format=%cd', '--date=iso']).decode('utf-8').strip()
+        return datetime.fromisoformat(timestamp).strftime("%Y-%m-%d %H:%M:%S")
+    except Exception:
+        return "Unknown"
+    
 # Create the Gradio interface with appropriate input and output components. 
 last_updated = get_last_commit_timestamp()
 
@@ -217,11 +224,4 @@ iface = gr.Interface(
 )
 
 # Launch the Gradio interface with sharing enabled
-iface.launch(share=True)  # share=True allows you to share the interface with others.
-
-def get_last_commit_timestamp():
-    try:
-        timestamp = subprocess.check_output(['git', 'log', '-1', '--format=%cd', '--date=iso']).decode('utf-8').strip()
-        return datetime.fromisoformat(timestamp).strftime("%Y-%m-%d %H:%M:%S")
-    except Exception:
-        return "Unknown"
+iface.launch(share=True)  # share=True allows you to share the interface with others.