Update app.py

app.py

@@ -129,8 +129,12 @@ def encrypt_file(file_path: str):
     This function encrypts the source file.
     Args:
         file_path: The path to the source file.
+    Returns:
+        True if encryption went well
     """
     print(f'File {file_path} encrypted')
+
+    return True
     
 @tool
 def validate_file(file_path: str) -> str: