fix error in web v2

run_web_v2_simple.py

@@ -44,9 +44,14 @@ def main():
     
     # Install dependencies
     logger.info("Installing dependencies...")
-    subprocess.check_call([
-        str(venv_pip), 'install', '-r', 'requirements_web_v2.txt'
-    ])
+    try:
+        subprocess.check_call([
+            str(venv_pip), 'install', '-r', 'requirements_web_v2.txt'
+        ], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        logger.info("Dependencies installed successfully")
+    except subprocess.CalledProcessError as e:
+        logger.error(f"Failed to install dependencies: {e}")
+        return
     
     # Run the web interface
     logger.info("Starting web interface on http://0.0.0.0:5001")

start_web_v2.py

@@ -71,7 +71,7 @@ def check_dependencies(venv_path):
         try:
             subprocess.check_call([
                 str(venv_python), '-c', f'import {package}'
-            ], capture_output=True)
+            ], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
         except subprocess.CalledProcessError:
             missing_packages.append(package)