Removed uses date instances from global.dat for workaround to avoid i…

…ncompatible pickle format between python 2 and 3 (python-babel#174)

babel/numbers.py

@@ -134,6 +134,10 @@ def _is_active(start, end):
 
     result = []
     for currency_code, start, end, is_tender in curs:
+        if start:
+            start = date_(*start)
+        if end:
+            end = date_(*end)
         if ((is_tender and tender) or \
             (not is_tender and non_tender)) and _is_active(start, end):
             if include_details:

scripts/import_cldr.py

@@ -21,8 +21,6 @@
 except ImportError:
     from xml.etree import ElementTree
 
-from datetime import date
-
 # Make sure we're using Babel source, and not some previously installed version
 sys.path.insert(0, os.path.join(os.path.dirname(sys.argv[0]), '..'))
 
@@ -103,12 +101,12 @@ def _parse_currency_date(s):
     if not s:
         return None
     parts = s.split('-', 2)
-    return date(*map(int, parts + [1] * (3 - len(parts))))
+    return tuple(map(int, parts + [1] * (3 - len(parts))))
 
 
 def _currency_sort_key(tup):
     code, start, end, tender = tup
-    return int(not tender), start or date(1, 1, 1)
+    return int(not tender), start or (1, 1, 1)
 
 
 def main():