makepanda: update Python 2.7 EOL warning

makepanda/makepanda.py

@@ -2588,7 +2588,7 @@ __version__ = '%s'
 if __debug__:
     import sys
     if sys.version_info < (3, 0):
-        sys.stderr.write("WARNING: Python 2.7 will reach EOL after December 31, 2019.\\n")
+        sys.stderr.write("WARNING: Python 2.7 has reached EOL as of January 1, 2020.\\n")
         sys.stderr.write("To suppress this warning, upgrade to Python 3.\\n")
         sys.stderr.flush()
     del sys