diff --git a/ais_shell.py b/ais_shell.py
index 72d679ba8405697fcc9808435e0716db0ce6a198..2945121c9bfc3b15344820dd8c248050c18b3cee 100644
--- a/ais_shell.py
+++ b/ais_shell.py
@@ -6,16 +6,13 @@
 
 """
 
-__program_version = '4.0.7.17 '
+__program_version = '4.0.7.18 '
 
 """ 
-   replace global dev(DEV_HND) structure with local structure;
+  
 """
 
 
-
-
-
 import calendar
 import datetime
 import os
@@ -355,9 +352,9 @@ def log_by_time(start_time, end_time, devHnd):
 
 
 def get_unread_log_one(choise, dev):
-    log_available = c_uint32()
-    r_log = c_int
+    
     def u_log_info():
+        r_log = c_int
         res_log, res_rrte = "", ""
         r_log = mySO.AIS_ReadLog_Count(dev)
         if r_log:
@@ -630,8 +627,7 @@ def PrintLOG(dev):
     logNfcUid = (c_uint8 * NFC_UID_MAX_LEN)()
     logNfcUidLen = c_int()
     logTimeStamp = c_uint64()
-    nfcuid = str()
-
+    
     while True:  # dev.status
         dev.status = mySO.AIS_ReadLog(dev.hnd, byref(logIndex), byref(logAction), byref(logReaderId), byref(logCardId),
                                       byref(logSystemId), logNfcUid, byref(logNfcUidLen), byref(logTimeStamp))
@@ -645,8 +641,7 @@ def PrintLOG(dev):
         dev.log.log_nfc_uid_len = logNfcUidLen.value
         dev.log.log_timestamp = logTimeStamp.value
 
-        if dev.status != 0:  # dev.status
-            # return wr_status('AIS_ReadLog()', dev.status) #dev.status
+        if dev.status != 0:
             break
 
         nfc_uid = ''
@@ -665,7 +660,7 @@ def PrintLOG(dev):
 
 
 def RTEListen(max_sec):
-    res = ""
+    pass
     stop_time = c_uint64()
     stop_time = time.time() + max_sec  # 10
     dev = device_list.S_DEVICE
@@ -709,8 +704,7 @@ def ListDevices():
 
 
 def GetListInformation():
-    res_0, res_1, res = "", "", ""
-    idx = c_int()
+    res_0, res_1 = "", ""    
     hnd = c_void_p()
     devSerial = c_char_p()
     devType = c_int()
@@ -917,8 +911,8 @@ def config_file_rd(devHnd, fname=None):
     file_name = file_name + ".config"
     f_print = "AIS_Config_Read(file: %s)\n" % file_name
     configDataSize = c_int()
-    dev.status = mySO.AIS_Configuration_Read(devHnd, PASS, file_name.encode(), configDataSize)
-    return f_print + wr_status("AIS_Config_Read", dev.status)
+    devstatus = mySO.AIS_Configuration_Read(devHnd, PASS, file_name.encode(), configDataSize)
+    return f_print + wr_status("AIS_Config_Read", devstatus)
 
 
 def config_file_wr(devHnd, fname=None):
@@ -934,8 +928,8 @@ def config_file_wr(devHnd, fname=None):
     if fname:
         file_name = fname
     f_print = "AIS_Config_Send(file: %s)\n" % file_name
-    dev.status = mySO.AIS_Config_Send(devHnd, file_name.encode())
-    return f_print + wr_status("AIS_Config_Send", dev.status)
+    devstatus = mySO.AIS_Config_Send(devHnd, file_name.encode())
+    return f_print + wr_status("AIS_Config_Send", devstatus)
 
 
 def add_device(device_type, device_id):