Update app.py

app.py

@@ -32,9 +32,9 @@ def check_dotnet_installed():
 def install_dotnet():
     print("Installing .NET SDK...")
     
-    subprocess.run(["sudo", "apt-get", "update"], check=True)
-    subprocess.run(["sudo", "apt-get", "install", "-y", "dotnet-sdk-8.0"], check=True)
-    subprocess.run(["sudo", "apt-get", "install", "-y", "dotnet-runtime-8.0"], check=True)
+    subprocess.run(["sudo", "apt-get", "update"], check=True, shell=True)
+    subprocess.run(["sudo", "apt-get", "install", "-y", "dotnet-sdk-8.0"], check=True, shell=True)
+    subprocess.run(["sudo", "apt-get", "install", "-y", "dotnet-runtime-8.0"], check=True, shell=True)
 
     print(".NET SDK has been installed.")
 def compile(cs):