sweep: DIRACGrid#8448 fix: use PEP8 compliant pyparsing method name

Author: chrisburr

src/DIRAC/Resources/Catalog/FCConditionParser.py

@@ -191,7 +191,7 @@ def __init__(self, vo=None, ro_methods=None):
         """
 
         # Whenever we parse text matching the __pluginOperand grammar, create a PluginOperand object
-        self.__pluginOperand.setParseAction(lambda tokens: self.PluginOperand(tokens))
+        self.__pluginOperand.set_parse_action(lambda tokens: self.PluginOperand(tokens))
 
         self.opHelper = Operations(vo=vo)