diff --git a/tools/eval.py b/tools/eval.py
index 4a59f2c..765b39c 100755
--- a/tools/eval.py
+++ b/tools/eval.py
@@ -19,6 +19,8 @@ from __future__ import print_function
 import os
 import sys
 
+sys.setrecursionlimit(10000)
+
 __dir__ = os.path.dirname(os.path.abspath(__file__))
 sys.path.insert(0, __dir__)
 sys.path.insert(0, os.path.abspath(os.path.join(__dir__, "..")))