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-rw-r--r--src/python/pyabc.i2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/python/pyabc.i b/src/python/pyabc.i
index d2fc5494..bb8cc3ca 100644
--- a/src/python/pyabc.i
+++ b/src/python/pyabc.i
@@ -238,6 +238,8 @@ Abc_Cex_t* _cex_get_vec(int i)
return NULL;
}
+ if ( pCex == (Abc_Cex_t *)1 )
+ return pCex;
return Abc_CexDup( pCex, -1 );
}