diff --git a/pink_lady.py b/pink_lady.py
index be3c248c..7e84d95e 100644
--- a/pink_lady.py
+++ b/pink_lady.py
@@ -9,38 +9,39 @@
 parser = argparse.ArgumentParser(description='photogrammetric site conversion'
                                  + ' and manipulation software')
 parser.add_argument('-f', '--filepath',
-                    type=str, default="", nargs=1,
+                    type=str, default='', nargs=1,
                     help='File path of the workfile')
 parser.add_argument('-skip', '--skip',
                     type=int, default=None, nargs=1,
                     help='Number of lines to be skipped before reading the file')
 parser.add_argument('-w', '--writer',
-                    type=str, choices=['opk'],
+                    type=str, default='',
                     help='Worksite output file format')
 parser.add_argument('-pr', '--pathreturn',
-                    type=str, default="", nargs=1,
+                    type=str, default='test/tmp/', nargs=1,
                     help='Conversion path ex:"test/tmp/"')
 parser.add_argument('-c', '--camera',
-                    type=list, default=[], nargs='*',
+                    type=str, default='', nargs='*',
                     help='Files paths of cameras')
 
 args = parser.parse_args()
 
 # Readind data
-if args.filepath[0] != "":
+if args.filepath[0] != '':
     work = reader_orientation(args.filepath[0], args.skip)
-    print("File reading done")
+    print("Orientation file reading done")
 else:
     print("The access road to the photogrammetric site is missing")
 
 # Reading camera file
-if args.camera != []:
+if args.camera != '':
     read_camera(args.camera, work)
+    print("Camera file reading done")
 
 # Writing data
-if args.pathreturn != "":
+if args.writer != '':
     try:
-        my_module = importlib.import_module("src.reader.reader_" + args.writer.lower())
+        my_module = importlib.import_module("src.writer.writer_" + args.writer.lower())
         work = my_module.write(args.pathreturn, work)
     except ModuleNotFoundError as e:
         raise ValueError(f"{args.writer} file is not taken into account !!!") from e