1 files changed, 5 insertions, 4 deletions
diff --git a/examples/macroExpander.py b/examples/macroExpander.py
index c6b7034..3b06250 100644
--- a/examples/macroExpander.py
+++ b/examples/macroExpander.py
@@ -16,7 +16,7 @@ from pyparsing import *
 
 # define the structure of a macro definition (the empty term is used
 # to advance to the next non-whitespace character)
-identifier = Word(alphas+"_",alphanums+"_")
+identifier = Word(alphas + "_", alphanums + "_")
 macroDef = "#def" + identifier("macro") + empty + restOfLine("value")
 
 # define a placeholder for defined macros - initially nothing
@@ -27,16 +27,18 @@ macroExpr << NoMatch()
 macros = {}
 
 # parse action for macro definitions
-def processMacroDefn(s,l,t):
+def processMacroDefn(s, l, t):
     macroVal = macroExpander.transformString(t.value)
     macros[t.macro] = macroVal
     macroExpr << MatchFirst(map(Keyword, macros.keys()))
     return "#def " + t.macro + " " + macroVal
 
+
 # parse action to replace macro references with their respective definition
-def processMacroRef(s,l,t):
+def processMacroRef(s, l, t):
     return macros[t[0]]
 
+
 # attach parse actions to expressions
 macroExpr.setParseAction(processMacroRef)
 macroDef.setParseAction(processMacroDefn)
@@ -45,7 +47,6 @@ macroDef.setParseAction(processMacroDefn)
 macroExpander = macroExpr | macroDef
 
 
-
 # test macro substitution using transformString
 testString = """
     #def A 100