check-code: drop the yield inside try/finally ban

This is now possible with Python 2.6.

contrib/check-code.py

@@ -217,9 +217,6 b' pypats = ['
     (r'(\w|\)),\w', "missing whitespace after ,"),
     (r'(\w|\))[+/*\-<>]\w', "missing whitespace in expression"),
     (r'^\s+(\w|\.)+=\w[^,()\n]*$', "missing whitespace in assignment"),
-    (r'(\s+)try:\n((?:\n|\1\s.*\n)*?)\1\s*yield\b.*?'
-     r'((?:\n|\1\s.*\n)+?)\1finally:',
-     'no yield inside try/finally in Python 2.4'),
     (r'.{81}', "line too long"),
     (r' x+[xo][\'"]\n\s+[\'"]x', 'string join across lines with no space'),
     (r'[^\n]\Z', "no trailing newline"),

tests/test-check-code.t

@@ -39,18 +39,6 b''
   >     finally:
   >         pass
   > 
-  > # yield inside a try/finally block is not allowed in Python 2.4
-  >     try:
-  >         pass
-  >         yield 1
-  >     finally:
-  >         pass
-  >     try:
-  >         yield
-  >         pass
-  >     finally:
-  >         pass
-  > 
   > EOF
   $ cat > classstyle.py <<EOF
   > class newstyle_class(object):
@@ -83,12 +71,6 b''
   ./non-py24.py:3:
    >     y = format(x)
    format not available in Python 2.4
-  ./non-py24.py:23:
-   >     try:
-   no yield inside try/finally in Python 2.4
-  ./non-py24.py:28:
-   >     try:
-   no yield inside try/finally in Python 2.4
   ./classstyle.py:4:
    > class oldstyle_class:
    old-style class, use class foo(object)