diff --git a/winpython/utils.py b/winpython/utils.py
index 05d88556..523b6fa0 100644
--- a/winpython/utils.py
+++ b/winpython/utils.py
@@ -1,15 +1,11 @@
 # -*- coding: utf-8 -*-
 #
+# WinPython utilities
 # Copyright © 2012 Pierre Raybaut
+# Copyright © 2014-2025+ The Winpython development team https://github.com/winpython/
 # Licensed under the terms of the MIT License
 # (see winpython/__init__.py for details)
 
-"""
-WinPython utilities
-
-Created on Tue Aug 14 14:08:40 2012
-"""
-
 import os
 import sys
 import stat
@@ -23,7 +19,6 @@
 import tarfile
 import zipfile
 import atexit
-import io
 import winreg
 
 # SOURCE_PATTERN defines what an acceptable source package name is
@@ -259,13 +254,13 @@ def patch_shebang_line_py(fname, to_movable=True, targetdir=""):
 def guess_encoding(csv_file):
     """guess the encoding of the given file"""
     # UTF_8_BOM = "\xEF\xBB\xBF"
-    with io.open(csv_file, "rb") as f:
+    with open(csv_file, "rb") as f:
         data = f.read(5)
     if data.startswith(b"\xEF\xBB\xBF"):  # UTF-8 with a "BOM" (normally no BOM in utf-8)
         return ["utf-8-sig"]
     else:  # in Windows, guessing utf-8 doesn't work, so we have to try
         try:
-            with io.open(csv_file, encoding="utf-8") as f:
+            with open(csv_file, encoding="utf-8") as f:
                 preview = f.read(222222)
                 return ["utf-8"]
         except:
diff --git a/winpython/wppm.py b/winpython/wppm.py
index 9d13b195..7e55f72a 100644
--- a/winpython/wppm.py
+++ b/winpython/wppm.py
@@ -1,15 +1,11 @@
 # -*- coding: utf-8 -*-
 #
+# WinPython Package Manager
 # Copyright © 2012 Pierre Raybaut
+# Copyright © 2014-2025+ The Winpython development team https://github.com/winpython/
 # Licensed under the terms of the MIT License
 # (see winpython/__init__.py for details)
 
-"""
-WinPython Package Manager
-
-Created on Fri Aug 03 14:32:26 2012
-"""
-
 import os
 from pathlib import Path
 import shutil
@@ -22,15 +18,14 @@
 # Local imports
 from winpython import utils, piptree
 
-
 # Workaround for installing PyVISA on Windows from source:
 os.environ["HOME"] = os.environ["USERPROFILE"]
 
 class Package:
     "standardize a Package from filename or pip list"
-    def __init__(self, fname,  suggested_summary=None):
+    def __init__(self, fname, suggested_summary=None):
         self.fname = fname
-        self.description = piptree.sum_up(suggested_summary)  if suggested_summary else ""
+        self.description = piptree.sum_up(suggested_summary) if suggested_summary else ""
         self.name = None
         self.version = None
         if fname.endswith((".zip", ".tar.gz", ".whl")):
@@ -39,14 +34,12 @@ def __init__(self, fname,  suggested_summary=None):
             if infos is not None:
                 self.name, self.version = infos
                 self.name = utils.normalize(self.name)
-        self.url = None
+        self.url = f"https://pypi.org/project/{self.name}"
         self.files = []
 
-        setattr(self,'url',"https://pypi.org/project/" + self.name)
-
     def __str__(self):
         return f"{self.name} {self.version}\r\n{self.description}\r\nWebsite: {self.url}"
-        
+
 
 class Distribution:
     def __init__(self, target=None, verbose=False):