Remove duplicate space

Co-authored-by: Petr Viktorin <[email protected]>

Author: 2 people

Lib/site.py

@@ -443,7 +443,7 @@ def setcopyright():
     builtins.copyright = _sitebuiltins._Printer("copyright", sys.copyright)
     builtins.credits = _sitebuiltins._Printer("credits", """\
     Thanks to CWI, CNRI, BeOpen, Zope Corporation, the Python Software
-    Foundation, and a cast of thousands  for supporting Python
+    Foundation, and a cast of thousands for supporting Python
     development.  See www.python.org for more information.""")
     files, dirs = [], []
     # Not all modules are required to have a __file__ attribute.  See