some small changes

prepare.py

@@ -16,12 +16,7 @@ threading.current_thread().name = "main"
 
 
 if not os.path.isdir('log'):
-    try:
-        os.makedirs('log')
-    except:
-        pass
-else:
-    pass
+    os.makedirs('log')
 
 a = 'log/' + str(time.strftime("%Y-%m-%d %H:%M:%S")) + '.log'
 logging.basicConfig(filename=a, filemode='w', format='%(asctime)s - %(threadName)s - %(levelname)s - %(message)s',
@@ -38,8 +33,9 @@ class Args:
     parser.add_argument('-n', action='store', dest="count", default=10,
                         help="number of smcreenshots, default 10", type=int)
     parser.add_argument('-c', action='store', dest='config', help='config file', default='config/config.ini', type=str)
-    parser.add_argument('-i', action='store', dest='input', help="input file", required=True, type=str)
+    parser.add_argument('-i', action='store', dest='input', help="input file", type=str, required=True)
     args = parser.parse_args()
+
     logging.info(' '.join(f'{k}={v}' for k, v in vars(args).items()))
 
 
@@ -82,7 +78,7 @@ class Head:
         self.bname: str
 
         self.bname = os.path.basename(Args.args.input)
-        self.fold = save_dir + os.path.splitext(self.bname)[0]
+        self.fold = save_dir + '/' + os.path.splitext(self.bname)[0]
         logging.info("Filename is %s" % self.bname)
 
         if os.path.isdir(self.fold):