chg: [command] The selection of a sub-command is mandatory.

bin/lsb.py

@@ -55,7 +55,8 @@ class ValidateGenerator(argparse.Action):
 
 def main():
     parser = argparse.ArgumentParser(prog="stegano-lsb")
-    subparsers = parser.add_subparsers(help="sub-command help", dest="command")
+    subparsers = parser.add_subparsers(
+        help="sub-command help", dest="command", required=True)
 
     # Subparser: Hide
     parser_hide = subparsers.add_parser("hide", help="hide help")
@@ -85,6 +86,7 @@ def main():
         action=ValidateGenerator,
         nargs="*",
         required=False,
+        default=None,
         help="Generator (with optional arguments)",
     )
 

bin/parity.py

@@ -30,7 +30,7 @@ import argparse
 
 try:
     from stegano.steganalysis import parity
-except:
+except Exception:
     print("Install Stegano: pipx install Stegano")
 
 

bin/red.py

@@ -28,7 +28,7 @@ import argparse
 
 try:
     from stegano import red
-except:
+except Exception:
     print("Install stegano: sudo pip install Stegano")
 
 

bin/statistics.py

@@ -31,7 +31,7 @@ import argparse
 
 try:
     from stegano.steganalysis import statistics
-except:
+except Exception:
     print("Install Stegano: sudo pip install Stegano")
 
 

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "stegano"
-version = "0.11.0"
+version = "0.11.1"
 description = "A pure Python Steganography module."
 authors = [
     "Cédric Bonhomme <cedric@cedricbonhomme.org>"