Update app.py

app.py

@@ -67,6 +67,19 @@ def main():
                          info='The brick structure in text format. Each line of the form "hxw (x,y,z)" represents a '
                               '1-unit-tall rectangular brick with dimensions hxw placed at coordinates (x,y,z).')
 
+
+    import subprocess
+    
+    try:
+        result = subprocess.run(['node', '--version'], capture_output=True, text=True, check=True)
+        print("Node.js version:", result.stdout.strip())
+    except FileNotFoundError:
+        print("Node.js is not installed or not found in the system's PATH.")
+    except subprocess.CalledProcessError as e:
+        print(f"Error checking Node.js version: {e}")
+        print(f"Stderr: {e.stderr.strip()}")
+
+    
     # Define Gradio interface
     print("Making Gradio interface...")
     demo = gr.Interface(