closes bpo-37803: pdb: fix handling of options (--help / --version) (GH-15193)

The "--" should not be included with long options passed to
getopt.getopt.

Fixes https://bugs.python.org/issue37803
(cherry picked from commit 855df7f)

Co-authored-by: Daniel Hahler <[email protected]>

Author: miss-islington

Lib/pdb.py

@@ -1657,7 +1657,7 @@ def help():
 def main():
     import getopt
 
-    opts, args = getopt.getopt(sys.argv[1:], 'mhc:', ['--help', '--command='])
+    opts, args = getopt.getopt(sys.argv[1:], 'mhc:', ['help', 'command='])
 
     if not args:
         print(_usage)

Misc/NEWS.d/next/Tools-Demos/2019-09-12-16-15-55.bpo-37803.chEizy.rst

@@ -0,0 +1 @@
+pdb's ``--help`` and ``--version`` long options now work.