diff --git a/scapy/autorun.py b/scapy/autorun.py
index 1e5d4b10d26..df2794cee5b 100644
--- a/scapy/autorun.py
+++ b/scapy/autorun.py
@@ -84,10 +84,15 @@ def autorun_commands(_cmds, my_globals=None, verb=None):
                 if interp.runsource(cmd):
                     continue
                 if sys.last_value:  # An error occurred
-                    traceback.print_exception(sys.last_type,
-                                              sys.last_value,
-                                              sys.last_traceback.tb_next,
-                                              file=sys.stdout)
+                    traceback.print_exception(
+                        sys.last_type,
+                        sys.last_value,
+                        (
+                            sys.last_traceback.tb_next
+                            if sys.last_traceback is not None else None
+                        ),
+                        file=sys.stdout,
+                    )
                     sys.last_value = None
                     return False
                 cmd = ""
diff --git a/scapy/modules/ldaphero.py b/scapy/modules/ldaphero.py
index ac739b4a5b1..cd4bd4fb658 100644
--- a/scapy/modules/ldaphero.py
+++ b/scapy/modules/ldaphero.py
@@ -144,6 +144,10 @@ class LDAPHero:
     :param HashNt: if provided, used for auth (NTLM)
     :param HashAes256Sha96: if provided, used for auth (Kerberos)
     :param HashAes128Sha96: if provided, used for auth (Kerberos)
+    :param use_krb5ccname: (bool) if true, the KRB5CCNAME environment variable will
+                            be used if available.
+    :param use_winssp: (bool) (only works on Windows). Use implicit authentication
+                        through WinSSP.
     """
 
     def __init__(