correct bug in environment: call to logger instead of self.logger

pipelet/environment.py

@@ -280,7 +280,7 @@ class Environment(EnvironmentBase):
             try:
                 new_dict[k] = glo[k]
             except KeyError:
-                logger.warning('Fail to save object %s in file %s'%(k,filename))
+                self.logger.warning('Fail to save object %s in file %s'%(k,filename))
         f = file(filename,'w')
         pickle.dump(new_dict,f)
         f.close()
@@ -301,9 +301,9 @@ class Environment(EnvironmentBase):
             new_dict  = pickle.load(f)
             f.close()
         except IOError:
-            logger.warning('No such file: %s'%filename)
+            self.logger.warning('No such file: %s'%filename)
         except UnpicklingError:
-            logger.warning('Failed to unpickle from file: %s'%filename)
+            self.logger.warning('Failed to unpickle from file: %s'%filename)
             f.close()
         if param_name == '*':
             param_name = new_dict.keys()
@@ -311,7 +311,7 @@ class Environment(EnvironmentBase):
             try:
                 glo[k] = new_dict[k]
             except KeyError:
-                logger.warning( 'Fail to load object %s from file %s'%(k,filename) )
+                self.logger.warning( 'Fail to load object %s from file %s'%(k,filename) )
 
     
     def clean_tmp(self):
@@ -343,7 +343,7 @@ class Environment(EnvironmentBase):
             if param in glo:
                 strtag = strtag + param + '=' + str_web(glo[param])+'    '
             else:
-                logger.warning( 'parameter '+param+' not in dictionary')
+                self.logger.warning( 'parameter '+param+' not in dictionary')
         var_tag = strtag + ' <small>(<b>'+ datetime.today().strftime("%e %m - %R")+'</b>)</small>   '
         fn = self._worker.pipe.get_meta_file(seg)
         with closing(file(fn, 'r')) as f: