[FIX] project, project_issue: don't use context if you didn't check it's not equal to None... stupid me

bzr revid: qdp-launchpad@openerp.com-20121228143729-x2n47tfp50uf7se8

addons/project/project.py

@@ -1089,6 +1089,8 @@ class task(base_stage, osv.osv):
         return True
 
     def create(self, cr, uid, vals, context=None):
+        if context is None:
+            context = {}
         if not context.get('default_project_id', False) and vals.get('project_id', False):
             ctx = context.copy()
             ctx['default_project_id'] = vals['project_id']

addons/project_issue/project_issue.py

@@ -65,6 +65,8 @@ class project_issue(base_stage, osv.osv):
     }
 
     def create(self, cr, uid, vals, context=None):
+        if context is None:
+            context = {}
         if not context.get('default_project_id', False) and vals.get('project_id', False):
             ctx = context.copy()
             ctx['default_project_id'] = vals['project_id']