Fix bug #375 (#376)

pyparsing · Mar 24, 2022 · 1a40d17 · 1a40d17
1 parent 7661493
commit 1a40d17
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/pyparsing/helpers.py b/pyparsing/helpers.py
@@ -805,8 +805,10 @@ def parseImpl(self, instring, loc, doActions=True):
     _FB.__name__ = "FollowedBy>"
 
     ret = Forward()
-    lpar = Suppress(lpar)
-    rpar = Suppress(rpar)
+    if isinstance(lpar, str):
+        lpar = Suppress(lpar)
+    if isinstance(rpar, str):
+        rpar = Suppress(rpar)
     lastExpr = base_expr | (lpar + ret + rpar)
     for i, operDef in enumerate(op_list):
         opExpr, arity, rightLeftAssoc, pa = (operDef + (None,))[:4]