From 785207385f27d0c9ed8cec938fa5b61bfd5e0c9e Mon Sep 17 00:00:00 2001
From: dcoudert <david.coudert@inria.fr>
Date: Sat, 15 Jan 2022 18:04:59 +0100
Subject: [PATCH] trac #33174: remove unreachable code

---
 src/sage/graphs/base/c_graph.pyx | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/src/sage/graphs/base/c_graph.pyx b/src/sage/graphs/base/c_graph.pyx
index 47f3465b3f5..2bf83ab294e 100644
--- a/src/sage/graphs/base/c_graph.pyx
+++ b/src/sage/graphs/base/c_graph.pyx
@@ -2600,12 +2600,6 @@ cdef class CGraphBackend(GenericGraphBackend):
         and an arc label.
         """
         raise NotImplementedError
-        cdef int l_int
-        if l is None:
-            l_int = 0
-        else:
-            l_int = self.new_edge_label(l)
-        return self.cg().has_arc_unsafe(u_int, v_int, l_int)
 
     cdef int free_edge_label(self, int l_int) except -1:
         raise NotImplementedError()