Update main.py

main.py

@@ -142,20 +142,23 @@ def generate_script():
         file.write(modified_cs)
 
     # Step 10: Compile the C# script using mcs
-    compile_command = f'mcs -target:exe -out:run.exe {script_path} -win32icon:app.ico -win32manifest:app.manifest'
+    compile_command = [
+        'mcs', '-target:exe', '-out:run.exe', script_path,
+        '-win32icon:app.ico', '-win32manifest:app.manifest'
+    ]
     
     # Run the compilation command
     try:
-        subprocess.run(compile_command, shell=False, check=True)
+        subprocess.run(compile_command, check=True)
     except subprocess.CalledProcessError as e:
         return f"Compilation failed: {e}", 500
+    except FileNotFoundError:
+        return "Compiler 'mcs' not found. Make sure it is installed and in the PATH.", 500
 
     # Provide a link to download the compiled executable
     return send_file('run.exe', as_attachment=True)
 
 
-
-
 # Start the Flask app
 if __name__ == '__main__':
     app.run(host='0.0.0.0', port=7860, debug=True)