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-rw-r--r--compilador/astree/expr.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/compilador/astree/expr.py b/compilador/astree/expr.py
index b696d51..f4d150c 100644
--- a/compilador/astree/expr.py
+++ b/compilador/astree/expr.py
@@ -197,7 +197,7 @@ class PrintExpr(Graphable):
#
# leer a
@dataclass
-class ReadExpr:
+class ReadExpr(Graphable):
expr: AccessExpr
def graph(self, dot: gv.Digraph, parent: str = None, edge: str = None) -> None:
@@ -210,7 +210,7 @@ class ReadExpr:
#
# retorna a
@dataclass
-class ReturnExpr:
+class ReturnExpr(Graphable):
expr: Optional[Expr]
def graph(self, dot: gv.Digraph, parent: str = None, edge: str = None) -> None: