bug fix

app/main.py

@@ -209,7 +209,7 @@ def init_vertex_ai():
                     # Explicitly replace literal "\\n" with actual newline in private_key
                     if "private_key" in credentials_info and isinstance(credentials_info["private_key"], str):
                         original_pk = credentials_info["private_key"]
-                        credentials_info["private_key"] = original_pk.replace("\\n", "\n")
+                        credentials_info["private_key"] = original_pk.replace("\\\\n", "\n") # Replace literal "\\n" with actual newline
                         if original_pk != credentials_info["private_key"]:
                              print("Replaced literal '\\n' with newline characters in private_key.")
                         else: