Fixed a bug when there is no argument called env

bob/bio/base/tools/grid.py

@@ -50,7 +50,10 @@ class GridSubmission:
     if args.grid is not None:
       assert isinstance(args.grid, grid.Grid)
       
-      self.env = args.env #Fetching the enviroment variable
+      if(hasattr(args,'env')):
+        self.env = args.env #Fetching the enviroment variable
+      else:
+        self.env = None
 
       # find, where jman is installed
       jmans = bob.extension.find_executable('jman', prefixes = ['bin'])