diff --git a/nxc/protocols/smb.py b/nxc/protocols/smb.py
index 79178bb7..bd75796b 100755
--- a/nxc/protocols/smb.py
+++ b/nxc/protocols/smb.py
@@ -389,7 +389,7 @@ class smb(connection):
                     kerb_pass = ""
                     self.username = self.args.delegate
                     serverName = Principal(f"cifs/{self.hostname}", type=constants.PrincipalNameType.NT_SRV_INST.value)
-                    tgs = kerberos_login_with_S4U(domain, self.hostname, username, password, nthash, lmhash, aesKey,kdcHost, self.args.delegate, serverName, useCache, no_s4u2proxy=self.args.no_s4u2proxy)
+                    tgs = kerberos_login_with_S4U(domain, self.hostname, username, password, nthash, lmhash, aesKey, kdcHost, self.args.delegate, serverName, useCache, no_s4u2proxy=self.args.no_s4u2proxy)
                     self.logger.debug(f"Got TGS for {self.args.delegate} through S4U")
 
                 self.conn.kerberosLogin(self.username, password, domain, lmhash, nthash, aesKey, kdcHost, useCache=useCache, TGS=tgs)
diff --git a/nxc/protocols/smb/kerberos.py b/nxc/protocols/smb/kerberos.py
index 9de2d245..2a567fa1 100644
--- a/nxc/protocols/smb/kerberos.py
+++ b/nxc/protocols/smb/kerberos.py
@@ -41,7 +41,7 @@ def kerberos_login_with_S4U(domain, hostname, username, password, nthash, lmhash
     ap_req["pvno"] = 5
     ap_req["msg-type"] = int(constants.ApplicationTagNumbers.AP_REQ.value)
 
-    opts = list()
+    opts = []
     ap_req["ap-options"] = constants.encodeFlags(opts)
     seq_set(ap_req, "ticket", ticket.to_asn1)
 
@@ -112,7 +112,7 @@ def kerberos_login_with_S4U(domain, hostname, username, password, nthash, lmhash
 
     req_body = seq_set(tgs_req, "req-body")
 
-    opts = list()
+    opts = []
     opts.append(constants.KDCOptions.forwardable.value)
     opts.append(constants.KDCOptions.renewable.value)
     opts.append(constants.KDCOptions.canonicalize.value)
@@ -152,8 +152,7 @@ def kerberos_login_with_S4U(domain, hostname, username, password, nthash, lmhash
         # Creating new cipher based on received keytype
         cipher = _enctype_table[enc_tgs_rep_part["key"]["keytype"]]
 
-        # return r, cipher, session_key, new_session_key
-        tgs_formated = dict()
+        tgs_formated = {}
         tgs_formated["KDC_REP"] = r
         tgs_formated["cipher"] = cipher
         tgs_formated["sessionKey"] = new_session_key
@@ -174,7 +173,7 @@ def kerberos_login_with_S4U(domain, hostname, username, password, nthash, lmhash
     ap_req["pvno"] = 5
     ap_req["msg-type"] = int(constants.ApplicationTagNumbers.AP_REQ.value)
 
-    opts = list()
+    opts = []
     ap_req["ap-options"] = constants.encodeFlags(opts)
     seq_set(ap_req, "ticket", ticket_tgt.to_asn1)
 
@@ -224,7 +223,7 @@ def kerberos_login_with_S4U(domain, hostname, username, password, nthash, lmhash
 
     req_body = seq_set(tgs_req, "req-body")
 
-    opts = list()
+    opts = []
     # This specified we"re doing S4U
     opts.append(constants.KDCOptions.cname_in_addl_tkt.value)
     opts.append(constants.KDCOptions.canonicalize.value)
@@ -272,8 +271,7 @@ def kerberos_login_with_S4U(domain, hostname, username, password, nthash, lmhash
     # Creating new cipher based on received keytype
     cipher = _enctype_table[enc_tgs_rep_part["key"]["keytype"]]
 
-    # return r, cipher, session_key, new_session_key
-    tgs_formated = dict()
+    tgs_formated = {}
     tgs_formated["KDC_REP"] = r
     tgs_formated["cipher"] = cipher
     tgs_formated["sessionKey"] = new_session_key
diff --git a/nxc/protocols/smb/proto_args.py b/nxc/protocols/smb/proto_args.py
index 6cfb119a..85148472 100644
--- a/nxc/protocols/smb/proto_args.py
+++ b/nxc/protocols/smb/proto_args.py
@@ -83,13 +83,13 @@ def proto_args(parser, std_parser, module_parser):
 def get_conditional_action(baseAction):
     class ConditionalAction(baseAction):
         def __init__(self, option_strings, dest, **kwargs):
-            x = kwargs.pop('make_required', [])
-            super(ConditionalAction, self).__init__(option_strings, dest, **kwargs)
+            x = kwargs.pop("make_required", [])
+            super().__init__(option_strings, dest, **kwargs)
             self.make_required = x
 
         def __call__(self, parser, namespace, values, option_string=None):
             for x in self.make_required:
                 x.required = True
-            super(ConditionalAction, self).__call__(parser, namespace, values, option_string)
+            super().__call__(parser, namespace, values, option_string)
 
     return ConditionalAction
\ No newline at end of file