Make import unconditional

Put import on top and updated CHANGES.rst

CHANGES.rst

@@ -5,6 +5,9 @@ CHANGES
 v25.4.0
 -------
 
+* #459 via #736: On Windows systems, sys.argv[0] now correctly becomes the
+  name of entry point.
+
 * Add Extension(py_limited_api=True). When set to a truthy value,
   that extension gets a filename apropriate for code using Py_LIMITED_API.
   When used correctly this allows a single compiled extension to work on

setuptools/command/easy_install.py

@@ -2018,11 +2018,11 @@ class ScriptWriter(object):
     template = textwrap.dedent("""
         # EASY-INSTALL-ENTRY-SCRIPT: %(spec)r,%(group)r,%(name)r
         __requires__ = %(spec)r
+        import re
         import sys
         from pkg_resources import load_entry_point
 
         if __name__ == '__main__':
-            import re
             sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
             sys.exit(
                 load_entry_point(%(spec)r, %(group)r, %(name)r)()

setuptools/tests/test_easy_install.py

@@ -74,11 +74,11 @@ class TestEasyInstallTest:
         expected = header + DALS("""
             # EASY-INSTALL-ENTRY-SCRIPT: 'spec','console_scripts','name'
             __requires__ = 'spec'
+            import re
             import sys
             from pkg_resources import load_entry_point
 
             if __name__ == '__main__':
-                import re
                 sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
                 sys.exit(
                     load_entry_point('spec', 'console_scripts', 'name')()